How to find the hypotenuse of a triangle - The Triangles Quilt Border Pattern is both versatile and elegant. Download the free quilt border for your nextQuilting project. Advertisement The Triangles Quilt Border Pattern mak...

 
The Lesson The sine function relates a given angle to the opposite side and hypotenuse of a right triangle.The length of the hypotenuse is given by the formula below: In this formula, θ is an angle of a right triangle, the opposite is the length of the side opposite the angle and the hypotenuse is the length of longest side. The image below shows what we mean:. Summer rental 1985

Wanna know more about the Texas Golden Triangle city of Beaumont? Join us on a tour of things to do in Beaumont, Texas through the eyes of a local! By: Author Cassie Jenkins Posted...The length of the adjacent of a right triangle with an angle of 60° and a hypotenuse of 5 cm is 2.5 cm. Remembering the Formula Often, the hardest part of finding the unknown angle is remembering which formula to use. Whenever you have a right triangle where you know one side and one angle and have to find an unknown side...Example 1: Find the two sides of the special right triangle if the base of the triangle is 5√3. The angles measure 30, 60, and 90 degrees. Solution: Given: Base = 5√3. Now, using the special right triangles formula, the base, height, and hypotenuse of a triangle (angles 30, 60, and 90) are in a ratio of 1:√3: 2.There are many ways to find the side length of a right triangle. We are going to focus on two specific cases. Case I. When we know 2 sides of the right triangle, ... Since we know the hypotenuse and want to find the …A right-angled triangle and its hypotenuse. In geometry, a hypotenuse is the side of a right triangle opposite the right angle. It is longest side of any such triangle. The length of the hypotenuse can be found using the Pythagorean theorem, which states that the square of the length of the hypotenuse equals the sum of the squares of the lengths of the …Jan 18, 2024 · In such a triangle, the legs are equal in length (as a hypotenuse always must be the longest of the right triangle sides): a=b a = b. One leg is a base, and the other is the height – there is a right angle between them. So the area of an isosceles right triangle is: \text {area}=\frac {a^2} {2} area = 2a2. Example 3: Find the length of the hypotenuse of a right scalene triangle if base = 5 inches and perpendicular = 4 inches. Solution: The relation between the sides of a right scalene triangle is Hypotenuse 2 = Perpendicular 2 + Base 2. By substituting the values given in the question, we get h 2 = 5 2 + 4 2. ⇒ h 2 = 25 + 16. ⇒ h 2 = 41. ⇒ ... 45 45 90 triangle calculator is a dedicated tool to solve this special right triangle. Find out what are the sides, hypotenuse, area, and perimeter of your shape and learn about the 45 45 90 triangle formulas and ratios. We'll also discuss the 45 45 90 triangle rules that are most probable to come up in your homework assignments.Area = 7.5 {\displaystyle {\text {Area}}=7.5} So, the area of a triangle with a base of 5 cm and a height of 3 cm is 7.5 square centimeters. 4. Find the area of a right triangle. Since two sides of …There are also special cases of right triangles, such as the 30° 60° 90, 45° 45° 90°, and 3 4 5 right triangles that facilitate calculations. Where a and b are two sides of a triangle, and c is the hypotenuse, the Pythagorean theorem can be written as: a 2 + b 2 = c 2. EX: Given a = 3, c = 5, find b: 3 2 + b 2 = 5 2 9 + b 2 = 25 b 2 = 16 b = 4Pythagoras’ theorem can also be used to find the length of another side of a triangle using the hypotenuse. The square on the hypotenuse subtracted by the square on another side is equal to the ...1) Find the length of the side opposite to the given angle. 2) Find the length of the hypotenuse. Given that in a right triangle the length of the two sides are a = 3 m and b = 5 m, find the acute angles and the hypotenuse. Given a right triangle. If the hypotenuse BC = 12, angle A = 90 degrees, and angle B = 31 degrees.1 day ago · The hypotenuse of a right triangle is the triangle's longest side, i.e., the side opposite the right angle. The word derives from the Greek hypo- ("under") and teinein ("to stretch"). The length of the hypotenuse of a right triangle can be found using the Pythagorean theorem. Lengths of the hypotenuse, adjacent side, and opposite side appear in the definition of trigonometric functions, most ... The hypotenuse of a triangle is 2.5 cm. If one of the sides is 1.5 cm, find the length of the other side. View Solution. Q 4. Draw a right triangle whose hypotenuse is of length 4 cm and one side is of length 2.5 cm. View Solution. Q 5. The hypotenuse of a right triangle is cm long. If one of the remaining two sides is cm long, find the length ...An obtuse triangle is a 3-sided polygon in which one of the interior angles measures greater than 90° but less than 180°. The other two angles in the triangle measure less than 90°, and the sum of the 3 angles must equal 180°. An example of an obtuse triangle in real life is part of the roof of a house, as shown in the figure below.Trigonometry 4 units · 36 skills. Unit 1 Right triangles & trigonometry. Unit 2 Trigonometric functions. Unit 3 Non-right triangles & trigonometry. Unit 4 Trigonometric equations and identities. Course challenge. Test your knowledge of the skills in this course. Start Course challenge. Math.$\begingroup$ Also, note that with the triangle lengths available, regardless of it being any specific type of triangle, you didn't need to determine the height. Instead, you could have directly solved the problem using these values in Heron's formula.I just saw you added the question itself. In your case, you could have also used the Pythagorean …Example: Find the area of a right triangle with base 6 cm and hypotenuse 10 cm. Solution: It is given that base = 6 cm, hypotenuse = 10 cm. So, we can find the value of the missing leg (height) using the Pythagoras theorem. Let us substitute the given values in the Pythagoras theorem, (Hypotenuse) 2 = (Base) 2 + (Height) 2. 10 2 = 6 2 + (Height) 2A useful way to remember simple formulae is to use a small triangle, as shown below: Here, the C stands for C os θ, the A for A djacent and the H for H ypotenuse (from the CAH in SOH CAH TOA). To find the formula for the Hypotenuse, cover up the H with your thumb: This leaves A over C - which means A divide by C, or, Adjacent ÷ Cos θ. To calculate the longest side (the hypotenuse) of a right triangle in Excel, you can use a formula based on the Pythagorean theorem, adapted to use Excel's math operators and functions. In the example shown, the formula in D5, copied down, is: =SQRT(B5^2+C5^2) which returns the length of the hypotenuse, given lengths of side a and aside b, given in …You need to use Pythagoras's theorem which states that for any right angled triangle, a2+b2=c2 , where c is the hypotenuse and a and b are the other 2 sides ...We can calculate the hypotenuse by using the Pythagorean theorem. This theorem tells us that the hypotenuse squared is equal to the sum of the squares of the lengths of the other two sides of the triangle. Therefore, to get the length of the hypotenuse, we need to have the lengths of the other sides. Here, we will review the Pythagorean theorem. 25 Apr 2017 ... c=38.47 to two decimal points. The Pythagorean theorem states that the square of the hypotenuse is equal to the sum of the squares of the ...Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/cc-geometry-circles/central-inscribed-circumscribed/e/c...We are given the length of the side adjacent to the missing angle, and the length of the hypotenuse . The trigonometric ratio that contains both of those sides is the cosine: cos ( ∠ A) = A C A B cos ( ∠ A) = 6 8 A C = 6, …Hypotenuse Theorem Example. Using the image above, if segment AB is congruent to segment FE and segment BC is congruent to segment ED, then triangle CAB is congruent to triangle DFE. Now, at first glance, it looks like we are going against our cardinal rule of not allowing side-side-angle…which spells the “bad word” (i.e., the …9 Sept 2014 ... In this video, I explain how to use the Pythagorean Theorem to find the hypotenuse of a right triangle when you are given the other two ...Learn the words and definitions of hypotenuse, opposite, and adjacent in right triangles, and how they relate to angles and sides. See examples, practice problems, and …For most my life, I had no idea what emotions were, why they were necessary, or what I was supposed to do with For most my life, I had no idea what emotions were, why they were nec...Jan 20, 2023 · In a right triangle a leg can also be called a cathetus (plural: catheti). The two legs are, by definition, two altitudes or heights of the right triangle; the third altitude can be constructed by striking a perpendicular line segment from the hypotenuse to the right angle. Hypotenuse formula This video provides an example of how to use the pythagorean theorem to determine the length of a leg of a right triangle.Complete Video Lists at www.mathisp...In a right triangle, the side adjacent to a non-right angle is the side that together with the hypotenuse forms the angle. We have already established that angle 𝐵 is formed by sides 𝐴𝐵 and 𝐵𝐶, and that 𝐴𝐵 is the hypotenuse. Thereby side 𝐵𝐶 must be the adjacent side. the measure of angle 𝐵 is 50°. According to China, "America should drop the jealousy and do its part in Africa." When Air Force One landed in Nairobi last week, a local television broadcaster almost burst into t...To find the hypotenuse of a right triangle using trigonometry, we can utilize the Pythagorean theorem and the trigonometric ratios of sine, cosine, or tangent. Here's a step-by-step explanation: 1. Identify the right triangle: Ensure that the triangle has a right angle, which is a 90-degree angle.. 2. Label the sides: Identify the two sides of the right …The hypot () function in C++ returns the square root of sum of square of arguments passed. It finds the hypotenuse, hypotenuse is the longest side of a right angled triangle. It is calculated by the formula : h = sqrt (x2+y2) where x and y are the other two sides of the triangle. Syntax: double hypot (double x, double y); float hypot (float x ...Jan 18, 2024 · In such a triangle, the legs are equal in length (as a hypotenuse always must be the longest of the right triangle sides): a=b a = b. One leg is a base, and the other is the height – there is a right angle between them. So the area of an isosceles right triangle is: \text {area}=\frac {a^2} {2} area = 2a2. When the hypotenuse of a 30 60 90 triangle has length c, you can find the legs as follows: Divide the length of the hypotenuse by 2. Multiply the result of Step 1 by √3, i.e., by about 1.73. The number you've got in Step 1 is the shorter leg of your triangle. The number you've got in Step 2 is the longer leg.Right-Angled Triangle. The triangle of most interest is the right-angled triangle. The right angle is shown by the little box in the corner: Another angle is often labeled θ, and the three sides are then called: Adjacent: adjacent (next to) the angle θ; Opposite: opposite the angle θ; and the longest side is the HypotenuseAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...You need to use Pythagoras's theorem which states that for any right angled triangle, a2+b2=c2 , where c is the hypotenuse and a and b are the other 2 sides ...The length of flight of stairs is the hypotenuse. Therefore. Hypotenuse2 = 122 + 92. = 144 + 81. Hypotenuse2= 225. Hypotenuse = √225. Hence the length of the flight of stairs is 15 feet. Learn how to calculate the length of the hypotenuse of a right angled triangle.To solve a 30° 60° 90° special right triangle, follow these steps: Find the length of the shorter leg. We'll call this x. The longer leg will be equal to x√3. Its hypotenuse will be equal to 2x. The area is A = x²√3/2. Lastly, the perimeter is P = x (3 + √3).A right-angled triangle and its hypotenuse. In geometry, a hypotenuse is the side of a right triangle opposite the right angle. It is longest side of any such triangle. The length of the hypotenuse can be found using the Pythagorean theorem, which states that the square of the length of the hypotenuse equals the sum of the squares of the lengths of the …In this video I will cover how to evaluate the six trigonometric functions given a right triangle.We will find the missing side of the triangle using Pythago...The hypotenuse is the longest side and is equal to 5. This can be verified by using the Pythagorean theorem which states that in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides. In this case, c^2=3^2+4^2=9+16=25 and the square root of 25 is 5. The length of flight of stairs is the hypotenuse. Therefore. Hypotenuse2 = 122 + 92. = 144 + 81. Hypotenuse2= 225. Hypotenuse = √225. Hence the length of the flight of stairs is 15 feet. Learn how to calculate the length of the hypotenuse of a right angled triangle.Oct 28, 2023 · A right triangle or right-angled triangle, or more formally an orthogonal triangle, is a triangle in which one angle is a right angle. The relation between the sides and angles of a right triangle is the basis for trigonometry. The side opposite the right angle is called the hypotenuse. If the lengths of all three sides of a right triangle are ... 1. The small leg to the hypotenuse is times 2, Hypotenuse to the small leg is divided by 2. 2. The small leg (x) to the longer leg is x radical three. For Example-. Pretend that the short leg is 4 and we will represent that as "x." And we are trying to find the length of the hypotenuse side and the long side. A right-angled triangle and its hypotenuse. In geometry, a hypotenuse is the side of a right triangle opposite the right angle. It is longest side of any such triangle. The length of the hypotenuse can be found using the Pythagorean theorem, which states that the square of the length of the hypotenuse equals the sum of the squares of the lengths of the other two sides. Hypotenuse Formula: Length of Hypotenuse² = Length of side 1² + Length of side 2². Hypotenuse Definition. The Hypotenuse Calculator makes it easy to find the length of any hypotenuse (a hypotenuse is the longest side of a right triangle). All you have to do to use this free online Hypotenuse Calculator is to just enter in the length of side ... The length of the adjacent of a right triangle with an angle of 60° and a hypotenuse of 5 cm is 2.5 cm. Remembering the Formula Often, the hardest part of finding the unknown angle is remembering which formula to use. Whenever you have a right triangle where you know one side and one angle and have to find an unknown side...May 27, 2021 · My hypotenuse is 1 and the area is .125... can someone find out how to get the base + height when just given the hypotenuse and area of a triangle? I know finding the area of a triangle is 1/2base(height), but since I have neither of those, I can't use that formula. There is a formula relating the three sides of a right-angled triangle. It can be used to mark out right angles on sports pitches and buildings. If the length of the hypotenuse of a right-angled triangle is c. and the lengths of the other sides are a and b: and and. c2 = a2 + b2. a2 = c2 – b2 b2 = c2 – a2. a. c.Find the size of angle a°. Step 1 The two sides we know are A djacent (6,750) and H ypotenuse (8,100). Step 2 SOH CAH TOA tells us we must use C osine. Step 3 Calculate Adjacent / Hypotenuse = 6,750/8,100 = 0.8333. Step 4 Find the angle from your calculator using cos-1 of 0.8333: cos a° = 6,750/8,100 = 0.8333.In this video I will cover how to evaluate the six trigonometric functions given a right triangle.We will find the missing side of the triangle using Pythago...Once Sal knows that the triangle is a right triangle, he applies the Pythagorean Therorm (a^2 + b^2 = c^2, where c is the length of the hypotenuse and a and b are the lengths of the other 2 sides) So he squares each of the shorter sides (8 and 15), adds the results together (getting 289), and then takes the square root to find the length of the ...26 Feb 2019 ... Learn to use the Pythagorean Theorem to find the hypotenuse. The hypotenuse is the side opposite the right angle. The other 2 sides are ...Let the triangle be ABC with angle B = 90 and AC as hypotenuse. Join B to midpoint of AC. Midpoint of AC is called D. Let angle C = x. So, angle A = 90 - x. Let angle DBC = y. So, angle DBA = 90 - y. Now, according to Sine rule of triangle, in ∆DBC:The Pythagorean Theorem states that the sum of the square of two legs in a right triangle equals the square of the hypotenuse. This looks like a 2 + b 2 = c 2 where a and b are the legs of the ...how to: Given the side lengths of a right triangle, evaluate the six trigonometric functions of one of the acute angles. If needed, draw the right triangle and label the angle provided. Identify the angle, the adjacent side, the side opposite the angle, and the hypotenuse of …Hypotenuse = √ (Base) 2 + (Height) 2. Thus, mathematically, hypotenuse is the sum of the square of base and height of a right triangle. The above formula is also written as, c = √a 2 + b 2, …The descending triangle is a pattern observed in technical analysis. It is the bearish counterpart of the bullish ascending triangle. The descending triangle is a pattern observed ...May 4, 2020 · The hypotenuse is the side of the triangle opposite the right angle. For right triangles only, enter any two values to find the third. See the solution with steps using the Pythagorean Theorem formula. This calculator also finds the area A of the right triangle with sides a and b. The formula for area of a right triangle is: Find the length of the hypotenuse. Possible Answers: Correct answer: To find the length of the hypotenuse, apply the Pythagorean Theorem: the length of the hypotenuse. Thus, the solution is: Austin Peay State University, Bachelor in Arts, English. University of Kent, Bachelor of Science, Mathematics. For example, a triangle always has 3 angles, while a square or rectangle always has 4, and so on. Next, use the formula (n – 2) x 180 to find the total number of degrees of all the interior angles combined. In this formula, n is equal to the number of interior angles. So, a triangle would have (3 – 2) x 180 degrees, or 180 degrees total.Find the length of the hypotenuse. Possible Answers: Correct answer: To find the length of the hypotenuse, apply the Pythagorean Theorem: the length of the hypotenuse. Thus, the solution is: Austin Peay State University, Bachelor in Arts, English. University of Kent, Bachelor of Science, Mathematics. You need to use Pythagoras's theorem which states that for any right angled triangle, a2+b2=c2 , where c is the hypotenuse and a and b are the other 2 sides ...Pythagoras’ theorem allows us to calculate the length of any side of a right-angled triangle given the other two. The square of the hypotenuse is equal to the sum of the squares of the remaining ... My hypotenuse is 1 and the area is .125... can someone find out how to get the base + height when just given the hypotenuse and area of a triangle? I know finding the area of a triangle is 1/2base(height), but since I have neither of those, I can't use that formula. I saw a formula somewhere that showed that all you had to do to figure out the ...Where a and b are two sides of a triangle, and c is the hypotenuse, the Pythagorean theorem can be written as: a 2 + b 2 = c 2. EX: Given a = 3, c = 5, find b: 3 2 + b 2 = 5 2 …The Pythagorean Theorem states that the sum of the square of two legs in a right triangle equals the square of the hypotenuse. This looks like a 2 + b 2 = c 2 where a and b are the legs of the ...Jan 18, 2024 · Given triangle area. The well-known equation for the area of a triangle may be transformed into a formula for the altitude of a right triangle: a r e a = b × h / 2. \mathrm {area} = b \times h / 2 area = b ×h/2, where. b. b b is a base, h. h h – height; and. So. Double its length to find the hypotenuse. You can multiply the short side by the square root of 3 to find the long leg. Type 2: You know the hypotenuse. Divide the hypotenuse by 2 to find the short side. Multiply this answer by the square root of 3 to find the long leg. Type 3: You know the long leg (the side across from the 60-degree angle).The side opposite the right angle is called the hypotenuse, and the other two are called the sides or legs of the triangle. The hypotenuse will always be the longest of the three sides.Step 1: Take a look at the given diagram and identify the right angle. The side opposite to the 90 ∘ angle. That side will be the hypotenuse. The side opposite the right angle ∠ F G H is F H ...Step 1: Take a look at the given diagram and identify the right angle. The side opposite to the 90 ∘ angle. That side will be the hypotenuse. The side opposite the right angle ∠ F G H is F H ...The Pythagorean theorem can be used to find the hypotenuse using the length of the two legs. The Pythagorean theorem states a² + b² = c² . This formula can be rewritten to solve for the hypotenuse c : c = a² + b². Thus, the hypotenuse c is equal to the square root of the quantity leg a squared plus leg b squared. Learn how to find the hypotenuse of a right-angled triangle using the Pythagoras theorem and the formula for the square root of the sum of the squares of the base and perpendicular. Also, find out the altitude of the hypotenuse and the Pythagoras theorem for right triangles. Welcome to The Pythagorean Theorem: Finding the Length of the Hypotenuse with Mr. J! Need help with the Pythagorean Theorem? You're in the right place!Whethe...Example 1: find the hypotenuse using the Pythagorean Theorem. Calculate the value of x x to 1 1 decimal place. Determine whether to use the Pythagorean Theorem or Trigonometry. You know two missing sides of the right angle triangle and no other angles, so you can use the Pythagorean Theorem.  Gainers Healthcare Triangle, Inc. (NASDAQ:HCTI) shares gained 46.6% to $0.9824. Healthcare Triangle recently posted a Q1 loss of $0.06 p... Indices Commodities Currencies...AboutTranscript. The Pythagorean theorem is a cornerstone of math that helps us find the missing side length of a right triangle. In a right triangle with sides A, B, and hypotenuse C, the theorem states that A² + B² = C². The hypotenuse is the longest side, opposite the right angle. Created by Sal Khan. Nov 11, 2019 · In this video I will cover how to evaluate the six trigonometric functions given a right triangle.We will find the missing side of the triangle using Pythago... How do I find the hypotenuse of isosceles right triangle? Find the length of one of the non-hypotenuse sides. Square the length of the side. Double the result of the previous step. Square root the result of step 3. This is the length of the hypotenuse.The length of the opposite side of a right triangle with an angle of 30° and a hypotenuse of 5 cm is 2.5 cm. Remembering the Formula Often, the hardest part of finding the unknown angle is remembering which formula to use. Whenever you have a right triangle where you know one side and one angle and have to find an unknown side...

Nov 11, 2019 · In this video I will cover how to evaluate the six trigonometric functions given a right triangle.We will find the missing side of the triangle using Pythago... . Free magazine download

how to find the hypotenuse of a triangle

Aug 3, 2023 · By Pythagorean Theorem, (Hypotenuse) 2 = (Base) 2 + (Height) 2. Hypotenuse = √ (Base) 2 + (Height) 2. Thus, mathematically, hypotenuse is the sum of the square of base and height of a right triangle. The above formula is also written as, c = √a 2 + b 2, here c = hypotenuse, a = height, b = base. Let us solve some problems to understand the ... The ratios of the sides of a right triangle are called trigonometric ratios. Three common trigonometric ratios are the sine (sin), cosine (cos), and tangent (tan). These are defined for acute angle A below: In these definitions, the terms opposite, adjacent, and hypotenuse refer to the lengths of the sides. Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the ...My hypotenuse is 1 and the area is .125... can someone find out how to get the base + height when just given the hypotenuse and area of a triangle? I know finding the area of a triangle is 1/2base(height), but since I have neither of those, I can't use that formula. I saw a formula somewhere that showed that all you had to do to figure out the ...Aug 3, 2023 · By Pythagorean Theorem, (Hypotenuse) 2 = (Base) 2 + (Height) 2. Hypotenuse = √ (Base) 2 + (Height) 2. Thus, mathematically, hypotenuse is the sum of the square of base and height of a right triangle. The above formula is also written as, c = √a 2 + b 2, here c = hypotenuse, a = height, b = base. Let us solve some problems to understand the ... In a right triangle, the side that is opposite of the 90° angle is the longest side of the triangle, and is called the hypotenuse. The sides of a right triangle are commonly referred to with the variables a, b, and c, where c is the hypotenuse and a and b are the lengths of the shorter sides.An isosceles triangle is a triangle with two equally long sides (which we call the legs) and are both denoted with a.The remaining side is denoted by b and is unique. The angles adjacent to b (which we call the base angles α) are also equal due to the legs being equal in length.The remaining angle at the top is called the vertex angle β and is unique.26 Feb 2019 ... Learn to use the Pythagorean Theorem to find the hypotenuse. The hypotenuse is the side opposite the right angle. The other 2 sides are ...Hypotenuse Theorem Example. Using the image above, if segment AB is congruent to segment FE and segment BC is congruent to segment ED, then triangle CAB is congruent to triangle DFE. Now, at first glance, it looks like we are going against our cardinal rule of not allowing side-side-angle…which spells the “bad word” (i.e., the …Example 2: The hypotenuse of a right triangle is 5 units. Its base is 3 units. Find its height using the hypotenuse formula. Solution: To find: The height of the right triangle. Let us assume it to be 'h' Its hypotenuse = 5 units. Its base = 3 units. By using the hypotenuse formula, hypotenuse 2 = (base) 2 + (height) 2 In this video, I explain how to use the Pythagorean Theorem to find the hypotenuse of a right triangle when you are given the other two sides of the triangle.28 Nov 2018 ... ... hypotenuse of a right triangle. I will go through how we know ... How to determine the similarity of three triangles by drawing the altitude.In such a triangle, the legs are equal in length (as a hypotenuse always must be the longest of the right triangle sides): a=b a = b. One leg is a base, and the other is the height – there is a right angle between them. So the area of an isosceles right triangle is: \text {area}=\frac {a^2} {2} area = 2a2.Find radius of fixed length arc of a circle in a bounding box when the circle intersects the edge of the bounding box 2 How to calculate the centre of a circle given two points and the equation of a line going through the centre?Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the ....

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