A trapezoid, also known by the name trapezium, is a quadrilateral or a polygon with four sides. A trapezoid has a set of parallel and opposite sides and a set of non-parallel sides. The area of isosceles trapezoid is = (sum of parallel sides/2) × h. The perimeter of an isosceles trapezoid is = Perimeter of Isosceles Trapezoid = sum of all sides.Area is a square unit. After calculating the area of a trapezoid, be sure to square the dimension. For example, if using the formula for the area of a trapezoid to find the area of the trapezoid. A = 1 2 × 7 c m × ( 4 c m + 9 c m) A = 1 2 × 7 c m × ( 1 3 c m) A = 4 5. 5 c m 2. Our trapezoid height calculator is an easy-to-use tool that lets you calculate the height of a trapezoid in three different ways. Whether you know the area or not, we have got you covered. The first method uses a leg and an angle. Here you have the option to input the \text {leg} c legc and ∠α ∠α.The area of a trapezoid is the amount of space inside the trapezoid. The area is measured in units squared \left (\mathrm {cm}^2, \mathrm {~m}^2, i \mathrm {n}^2, f t^2, e t c . …A trapezium, also known as a trapezoid, is a quadrilateral in which a pair of sides are parallel, but the other pair of opposite sides are non-parallel. The area of a trapezium is computed with the following formula: \ [\text {Area}=\frac {1} {2} × \text {Sum of parallel sides} × \text {Distance between them}.\] The parallel sides are called ... Welcome to How to Find the Area of a Trapezoid (How to Find the Area of a Trapezium) with Mr. J! Need help with finding the area of a trapezoid? You're in th...Feb 28, 2023 · The formula for the area of a trapezoid is A = ½ (b 1 +b 2 )h, where b 1 and b 2 are the lengths of the bases and h is the height. [1] If you only know the side lengths of a regular trapezoid, you can break the trapezoid into simple shapes to find the height and finish your calculation. The centroid of a trapezoid is its center of mass, where the whole body mass is concentrated. In simpler words, if we consider a cutout of a trapezoid, the centroid is the point where it can be perfectly balanced on the tip of a pin. Since it is a point, we normally find it as coordinates axes. Formula4 days ago · A = h 2 ( a + b) Now substituting the values in the formula we get. Area of isosceles trapezoid, A = 7 2 ( 8 + 5) A=72(13) A = 45.5 cm2. Therefore the area of isosceles trapezium is 45.5 cm2. 2. Calculate the perimeter of isosceles trapezium if the length of two parallel sides is 10 cm and 7 cm and the length of the leg is 8 cm. Solved Examples. Example 1: Given a trapezoid with a longer base (b1) of 10 inches, a shorter base (b2) of 6 inches, and a height (h) of 4 inches, calculate its area. Solution: To find the area of the trapezoid, you can use the formula: Area= 1/2× (Sum of the Lengths of the Parallel Sides) × Height. Area= 1/2 (b1 +b2 ) × h.- [Voiceover] So we have a trapezoid here on the coordinate plane and what we want to do is find the area of this trapezoid, just given this diagram. And, like always, pause this video and see if you can figure it out. Well, we know how to figure out the area of a trapezoid. We have videos where we derive this formula.To find the area of the trapezoid, use the formula: A = (b1 + b2)/2 * h = (10 + 16)/2 * 8 = 13 * 8 = 104 square units. Example 2: Finding the area of a trapezoid with known height and diagonals. Suppose you have a trapezoid with a height of 10 units and diagonals that measure 15 units and 20 units. Area of Trapezoid. The area of a trapezoid can be calculated by taking the average of the two bases and multiplying it with the altitude. The area formula for trapezoids is given by-Area = 1/2 (a+b) h. Perimeter of Trapezoid. The perimeter of a trapezoid is the sum of all its sides. Therefore, for a trapezoid with sides a, b, c and d, the ... Calculation of the hydraulic radius for various channel cross section shapes is an important part of using the Manning equation for open channel flow calculations. Three common open channel cross sections, the rectangle, trapezoid, and triangle, are covered in this article. The hydraulic radius for open channel flow is defined as the cross sectional area of flow …A trapezoid, also known by the name trapezium, is a quadrilateral or a polygon with four sides. A trapezoid has a set of parallel and opposite sides and a set of non-parallel sides. The area of isosceles trapezoid is = (sum of parallel sides/2) × h. The perimeter of an isosceles trapezoid is = Perimeter of Isosceles Trapezoid = sum of all sides.Area of Trapezoid. The area of a trapezoid can be calculated by taking the average of the two bases and multiplying it with the altitude. The area formula for trapezoids is given by-Area = 1/2 (a+b) h. Perimeter of Trapezoid. The perimeter of a trapezoid is the sum of all its sides. Therefore, for a trapezoid with sides a, b, c and d, the ... Area of a Trapezoid (Intermediate) Use the formula to calculate the area of the three trapezoids shown. In the intermediate-level worksheets, the measurements are all double-digit whole numbers. 5th through 7th Grades. View PDF. You can find the area of a trapezoid by using the formula · \displaystyle \text{Area} = h\cdot \frac{b_1+b_2}{2} · where b_1 and b_2 are the two parallel sides ( ...May 14, 2021 · Welcome to How to Find the Area of a Trapezoid (How to Find the Area of a Trapezium) with Mr. J! Need help with finding the area of a trapezoid? You're in th... Recruiters don't look at your resume for more than a few precious seconds, but that doesn't mean you shouldn't still carefully craft your resume to make sure you've got the best ch...Jan 18, 2024 · Using the area of trapezoid calculator: an example Calculate the remaining internal angles. As α + β = 180°, β = 180° - 30 ° = 150°. Similarly, as γ + δ = 180°, δ = 180° - 125° = 55°. Find the lengths of the legs of the trapezoid, using the formula for the sine of an angle: sin 30° = h / c sin 55° = ... The formula was described by Albrecht Ludwig Friedrich Meister (1724–1788) in 1769 and is based on the trapezoid formula which was described by Carl Friedrich Gauss and C.G.J. Jacobi. The triangle form of the area formula can be considered to be a special case of Green's theorem . This geometry video tutorial explains how to find the area of a trapezoid using the formula A=1/2(b1+b2)h. It explains how to find the area given everything...Oct 4, 2022 · The Formula for Trapezoid Area by Base and Height. Let us be given an arbitrary trapezoid. To find its area, we use the following formula: In this formula: a, b - the base of the trapezoid; hh is the height of the trapezoid. Imagine that we need to find a trapezoid area where the bases are known, numerically equal to 10 cm and 8 cm. Move the pieces to make a trapezoid. Show students that they need to write the area equation as the sum of the two smaller rectangles. Then, show them how that relates to the formula of the area of a trapezoid. The reason the 1/2 is in the formula is because the z appears twice in the base of the trapezoid.Learn how to calculate the area of a trapezoid using the formula A = bh, where h is the height and b 1 and b 2 are the base lengths. Find out how to use the midsegment and a grid to find the area of a trapezoid more easily and accurately. Jan 28, 2016 · Need a custom math course? Visit https://www.MathHelp.com.This lesson covers the area of a trapezoid. Students learn that a trapezoid is a quadrilateral with... Solution: Area of isosceles trapezoid = (sum of parallel sides ÷ 2) × height. given, bases = 3 inches and 5 inches, height = 4 inches. Area = [ (3 + 5) ÷ 2] × 4. Area = 16 inches 2. Example 3: Find the perimeter of an isosceles trapezoid if its bases are 20 inches and 25 inches and non-parallel sides are 30 inches each. Aimed at 5th-grade and 6th-grade students, this bundle of pdfs focuses on finding the area of the trapezoid when the dimensions are expressed in integers. Apply the formula, A= ( (a+b)/2) * h, and find the area of the trapezoid. Learn to Solve. Grab the Worksheet.Area of a trapezoid :1/2*(a+b)*h. a=base1 of the trapezoid. b=base2 of the trapezoid. h=height of the trapezoid. Find the ...The Formula for Trapezoid Area by Base and Height. Let us be given an arbitrary trapezoid. To find its area, we use the following formula: In this formula: a, b - the base of the trapezoid; hh is the height of the trapezoid. Imagine that we need to find a trapezoid area where the bases are known, numerically equal to 10 cm and 8 cm.With the formula for the area of a triangle in hand, it is now easy to find area formulas for quadrilaterals that have at least one pair of parallel sides, like parallelograms and trapezoids. Whenever a quadrilateral has a pair of parallel sides, then the (perpendicular) distance between these parallel sides is called the height or altitude, and …To determine the area of a trapezoid, follow these simple steps: Step 1: Multiply the sum of the bases (the parallel sides) by the height (the perpendicular distance between the bases) Step 2: Divide the product by 2. So, the area of a trapezoid\ ( =\frac {1} {2}×\) (Sum of parallel sides)\ (×\) (perpendicular distance in between the parallel ...Area of a trapezoid formula: A is for area. a is for base one. b is for base two. h is for height or altitude . The values for a and b for the trapezoid bases can be interchangeable. The bases will be added together, divided by 2, and multiplied by the height. The final answer for an area of a shape is always expressed in square units. …Centroid of a Trapezoid Formula is x = [(b+2a)/3(a+b)]h, where h is the height and a and b are the parallel sides. Select Goal & City. Select Goal. Search for Colleges, Exams, Courses and More.. Write a Review Get …The area of a trapezoid is one half of the product of its height (h), and the sum of its parallel bases a and b. Area of the trapezoid = \dfrac {1} {2} \times h \times (a+b) = 21 ×h×(a+b) …Area of a trapezoid. The number of square units it takes to completely fill a trapezoid. Formula: Average width × Altitude. Try this Drag the orange dots to move and resize the trapezoid. As the size of the trapezoid changes, the area is recalculated. Options. Area is a square unit. After calculating the area of a trapezoid, be sure to square the dimension. For example, if using the formula for the area of a trapezoid to find the area of the trapezoid. A = 1 2 × 7 c m × ( 4 c m + 9 c m) A = 1 2 × 7 c m × ( 1 3 c m) A = 4 5. 5 c m 2. The area of the rectangle is base times height, so that formula gives you the area of the parallelogram as well. You can try this yourself by cutting out a paper parallelogram and snipping off the triangle as shown in the above figure. Kite: The above figure shows that the kite has half the area of the rectangle drawn around it.There are two main trapezoid formulas, they are: Area of a Trapezoid; Perimeter of a Trapezoid; Area of Trapezoid. The area of the trapezoid is calculated by measuring the average of the parallel sides and multiplying it with its height. To find the area of a trapezoid, the lengths of two of its parallel sides is to be known and the distance (height) …(This is the trapezoid area formula) Trapezoid Area Formula. According to the trapezoid area formula, the area of a trapezoid is equal to half the product of the height and the sum of the two bases. Area = ½ x (Sum of parallel sides) x (perpendicular distance between the parallel sides). Area = ½ h (b 1 + b 2) Where h is the height and b 1 ... Substitute the values for the top, base and height into the formula. A = 2(5+8)(4) . Evaluate the addition. A = 2(13)(4) . Simplify the numerator and denominator. A= 13 ⋅2. The area of the trapezoid is equal to 26 units squared. Trapezoidal rule approximates area under the curve. The trapezoidal rule is one method we can use to approximate the area under a function over a given interval. If it’s difficult to find area exactly using an integral, we can …Solved Examples. Find out the area under the curve with help of the Trapezoid Rule Formula that passes through the following points. Area of Trapezoid Formula = (h/2) {y0 + yn +2 (y1+y2+y3….Yn-1)} Thus, the area under the curve is 11.2 sq units. With the help of the Trapezoidal rule, the formula finds the area under the curve y = X sq between ...Apr 1, 2020 ... In this video, we will prove the formula for the area of a trapezoid.Apr 14, 2016 ... Visit our free online Dictionary and Thesaurus: https://www.betterwordsonline.com/. Expertly crafted words that will expand your vocabulary, ...Feb 14, 2023 · To determine the area of a trapezoid, follow these simple steps: Step 1: Multiply the sum of the bases (the parallel sides) by the height (the perpendicular distance between the bases) Step 2: Divide the product by 2. So, the area of a trapezoid\ ( =\frac {1} {2}×\) (Sum of parallel sides)\ (×\) (perpendicular distance in between the parallel ... Follow the below-given steps to apply the trapezoidal rule to find the area under the given curve, y = f (x). Step 1: Note down the number of sub-intervals, "n" and intervals "a" and "b". Step 2: Apply the formula to calculate the sub-interval width, h (or) x = (b - a)/n. Step 3: Substitute the obtained values in the trapezoidal rule formula to ...The area of trapezium formula is A = ½ (a + b) h. Learn how this formula is derived visually. Grade. KG. 1st. 2nd. 3rd. 4th. 5th. 6th. 7th. 8th. Algebra 1. ... But these two terms mean different depending on the geography. In the United States and Canada, a trapezoid is a quadrilateral with at least one pair of parallel sides is trapezoid ...Area of a trapezoid. The number of square units it takes to completely fill a trapezoid. Formula: Average width × Altitude. Try this Drag the orange dots to move and resize the trapezoid. As the size of the trapezoid changes, the area is recalculated. Options. Learn how to write the entire formula for the chemical reaction in a smoke detector. Advertisement It is more a physical reaction than a chemical reaction. The americium in the smo...Step 4: Identify b1 and b2 (lengths of the bases) of the trapezoid and h (height) of the trapezoid. Find the base area B by putting the above values in the formula, (b1+b2)h/2; Step 5: Put the values in the formula, 2B + Lateral Surface Area(PH), to get the total surface area of the hexagonal prism. Now refer to the example given below.Oct 27, 2021 ... We can then recall that the area of a trapezoid is equal to half the sum of the lengths of its parallel sides multiplied by its height. Using ...Revenue is the money a company earns from selling its goods and services. Gross revenue is the quantity sold times the unit price. Net revenue is gross revenue by discounts, allowa...4 days ago · A = h 2 ( a + b) Now substituting the values in the formula we get. Area of isosceles trapezoid, A = 7 2 ( 8 + 5) A=72(13) A = 45.5 cm2. Therefore the area of isosceles trapezium is 45.5 cm2. 2. Calculate the perimeter of isosceles trapezium if the length of two parallel sides is 10 cm and 7 cm and the length of the leg is 8 cm. Feb 18, 2024 · Welcome to Omni's trapezoid calculator, where we'll learn all about these four-sided shapes. We'll show you how to calculate the area of a trapezoid, how to find the height of a trapezoid, or what the trapezoid perimeter formula looks like. Also, we'll take the time to describe some special types of quadrangles: the isosceles trapezoid and the ... A trapezoidal prism is a three-dimensional figure that consists of two trapezoids on opposite faces connected by four rectangles. A trapezoidal prism has six faces, eight vertices ...What is EVA? With our real-world examples and formula, our financial definition will help you understand the significance of economic value added. Economic value added (EVA) is an ...Feb 7, 2021 ... Then we will measure the length of the parallel sides and also the height between the parallel sides. Then, we will use the formula of the area ...Rearranging the formula gives us h = (2A) / (a + b), where ‘A’ is the known area of the trapezoid. By substituting the known values into the equation, you can find the missing height. 8: How do you find the area of a trapezoid with diagonals? Answer: To find the area of a trapezoid when the diagonals are given, you can use the formula:Trapezoid Area. A convex quadrilateral with at least one pair of parallel sides is referred to as a trapezoid. The parallel sides are called the bases of the trapezoid, and the other two sides are called the legs or the lateral sides. The area is …Let us assume that the bases are a and b, and the height of the trapezoid is h. Using the given information, we have to find height which is the distance between the bases. Let us substitute all these values in the area of a trapezoid formula: Area of trapezoid formula, A = [(a + b)/2] × h. 120 = [(20 + 12)/2] × h. 120 = 16 × h. h = 7.5 inches This yields as a special case the well-known formula for the area of a triangle, by considering a triangle as a degenerate trapezoid in which one of the parallel sides has shrunk to a point. The 7th-century Indian mathematician Bhāskara I derived the following formula for the area of a trapezoid with consecutive sides a, c, b, d: The surface area of a trapezoidal prism can be given with this formula: (b1+b2)h + PH. In this formula, "b1" and "b2" stand for the length of the bases of the trapezoid. The height of the trapezoid is "h". The perimeter of the trapezoid is "P", and "H" is the height of the prism.For a Isosceles Trapezoid, both base angles are congruent , non parallel sides are congruent and diagonals are congruent. The median is parallel to both the bases and is the average length of the bases. The adjacent angles sum to 180 o. Trapezoid Formulas. The formula of Trapezoid consists of the area and perimeter.You can find the area of a trapezoid by using the formula · \displaystyle \text{Area} = h\cdot \frac{b_1+b_2}{2} · where b_1 and b_2 are the two parallel sides ( ...Trapezoid Area Calculator. Calculator to calculate the area of a trapezoid given the bases and the height. Trapezoid Calculator and Solver. An easy to use online calculator to solve trapezoid problems. The area, the angles and the diagonals of a Trapezoid are calculated given its 4 sides.We can calculate the area of trapezoid by adding the parallel bases of trapezoid together and multiplying it with h and then dividing by 2. For example, in a given trapezoid, the area can be calculated as: The length of bases of given trapezoid are: b1 = 8cm and b 1 = 6cm. And the height or distance between the bases is: h = 10cm. Malcolm McKinsey. January 16, 2023. Fact-checked by. Paul Mazzola. What is a trapezoid? Find the area of a trapezoid. Area of a trapezoid formula. Area of a …Area of a trapezoid is found with the formula, A= (a+b)h/2. To find the area of a trapezoid, you need to know the lengths of the two parallel sides (the "bases") and the height. Add …Trapezoid Rule. The Trapezoid Rule fits a trapezoid into each subinterval and sums the areas of the trapezoid to approximate the total integral. This approximation for the integral to an arbitrary function is shown in the following figure. For each subinterval, the Trapezoid Rule computes the area of a trapezoid with corners at (xi, 0), (xi+1 ...Now, the area of a trapezoid (trapezium) is given by: `"Area"=h/2(p+q)` We need "right" trapezoids (which means the parallel sides are at right angles to the base), and they are rotated 90° so that their new base is actually h, as follows, and h = Δx.The probably most commonly used formula including the cross-sectional area is Navier’s formula, which calculates the stress in any point of a cross-section due to bending and axial forces. σ = N A + M I y ⋅ z. While it’s very important to know how to derive and calculate the Cross-sectional areas, some of them might be harder to remember.The formula for Area of a trapezoid: The area can be computed with the help of the following simple steps to arrive at the trapezoid area formula, Step-1: Add the two parallel bases. Step-2: Multiply the result of the above step with the height of the trapezoid. Step-3: Divide the result of step-2 by 2. Step-4: We will get the area of the given ... Area of Trapezoids | Fractions – Type 2. Drum into the heads of students the formula for the area of trapezoids A = (b 1 + b 2) h/2, where b 1 and b 2 are the base lengths and h is the height as they do this set of pdf area of a trapezoid worksheets. Download the setDerive the trapezoid area formula. Area of a trapezium ADEF = (½ x AB x FB) + ( BC x FB) + (½ x CD x EC) = (¹/₂ × AB × h) + ( BC × h) + (¹/₂ × CD × h) = ¹/₂ × h × ( AB + 2 BC + …This yields as a special case the well-known formula for the area of a triangle, by considering a triangle as a degenerate trapezoid in which one of the parallel sides has shrunk to a point. The 7th-century Indian mathematician Bhāskara I derived the following formula for the area of a trapezoid with consecutive sides a, c, b, d: Area of a Trapezoid = A = \ (\begin {array} {l}\frac {1} {2}\end {array} \) \ (\begin {array} {l}\times\end {array} \) h. \ (\begin {array} {l}\times\end {array} \) (a + b) Where: h = height (Note – This is the perpendicular height, not …Feb 28, 2023 · The formula for the area of a trapezoid is A = ½ (b 1 +b 2 )h, where b 1 and b 2 are the lengths of the bases and h is the height. [1] If you only know the side lengths of a regular trapezoid, you can break the trapezoid into simple shapes to find the height and finish your calculation. Aug 3, 2023 · The area of a trapezoid is the total space enclosed by it. Since a trapezoid is a two-dimensional shape, its area also lies in a two-dimensional plane. The unit of area is in square units such as m 2, cm 2, in 2, or ft 2. Formula Using Height and Base Lengths. The basic formula to calculate the area of a trapezoid is given below: Worksheet to solve trapezoid problems involving base1, base2, height and area. How to find the area of a trapezoid using the formula 1/2 (a + b)h? Step 1: Find the bases and height. (The height must be perpendicular to bases) Step 2: Add the bases and multiply by the height. Step 3: Divide the answer by 2. Step 4: Write the units. The formula for area of a trapezoid explained!Calculation of the hydraulic radius for various channel cross section shapes is an important part of using the Manning equation for open channel flow calculations. Three common open channel cross sections, the rectangle, trapezoid, and triangle, are covered in this article. The hydraulic radius for open channel flow is defined as the cross sectional area of flow …You don't have to be a mathematician to follow this simple value statement formula. Trusted by business builders worldwide, the HubSpot Blogs are your number-one source for educati...A stock's yield is calculated by dividing the per-share dividend by the purchase price, not the market price. A stock&aposs yield is calculated by dividing the per-share dividend b...Our trapezoid height calculator is an easy-to-use tool that lets you calculate the height of a trapezoid in three different ways. Whether you know the area or not, we have got you covered. The first method uses a leg and an angle. Here you have the option to input the \text {leg} c legc and ∠α ∠α.Solved Examples. Example 1: Given a trapezoid with a longer base (b1) of 10 inches, a shorter base (b2) of 6 inches, and a height (h) of 4 inches, calculate its area. Solution: To find the area of the trapezoid, you can use the formula: Area= 1/2× (Sum of the Lengths of the Parallel Sides) × Height. Area= 1/2 (b1 +b2 ) × h.What does working capital mean and how does it impact your business? Trusted by business builders worldwide, the HubSpot Blogs are your number-one source for education and inspirat...A trapezium, also known as a trapezoid, is a quadrilateral in which a pair of sides are parallel, but the other pair of opposite sides are non-parallel. The area of a trapezium is computed with the following formula: \ [\text {Area}=\frac {1} {2} × \text {Sum of parallel sides} × \text {Distance between them}.\] The parallel sides are called ...
The centroid of a trapezoid is its center of mass, where the whole body mass is concentrated. In simpler words, if we consider a cutout of a trapezoid, the centroid is the point where it can be perfectly balanced on the tip of a pin. Since it is a point, we normally find it as coordinates axes. Formula. Local small business near me
Calculation of the hydraulic radius for various channel cross section shapes is an important part of using the Manning equation for open channel flow calculations. Three common open channel cross sections, the rectangle, trapezoid, and triangle, are covered in this article. The hydraulic radius for open channel flow is defined as the cross sectional area of flow …The centroid of a trapezoid is its center of mass, where the whole body mass is concentrated. In simpler words, if we consider a cutout of a trapezoid, the centroid is the point where it can be perfectly balanced on the tip of a pin. Since it is a point, we normally find it as coordinates axes. FormulaArea is a square unit. After calculating the area of a trapezoid, be sure to square the dimension. For example, if using the formula for the area of a trapezoid to find the area of the trapezoid. A = 1 2 × 7 c m × ( 4 c m + 9 c m) A = 1 …What is EVA? With our real-world examples and formula, our financial definition will help you understand the significance of economic value added. Economic value added (EVA) is an ...What does working capital mean and how does it impact your business? Trusted by business builders worldwide, the HubSpot Blogs are your number-one source for education and inspirat...Area of a trapezoid. The number of square units it takes to completely fill a trapezoid. Formula: Average width × Altitude. Try this Drag the orange dots to move and resize the trapezoid. As the size of the trapezoid changes, the area is recalculated. Options. Solved Examples. Find out the area under the curve with help of the Trapezoid Rule Formula that passes through the following points. Area of Trapezoid Formula = (h/2) {y0 + yn +2 (y1+y2+y3….Yn-1)} Thus, the area under the curve is 11.2 sq units. With the help of the Trapezoidal rule, the formula finds the area under the curve y = X sq between ...Area of a Trapezoid Formula. You must be curious to know how to calculate the area of a trapezoid formula. Well. This is easy to calculate by taking the average of two bases and multiply it with the altitude. In mathematics, the area of …The Formula for Trapezoid Area by Base and Height. Let us be given an arbitrary trapezoid. To find its area, we use the following formula: In this formula: a, b - the base of the trapezoid; hh is the height of the trapezoid. Imagine that we need to find a trapezoid area where the bases are known, numerically equal to 10 cm and 8 cm.The Area of isosceles trapezoid formula is. \ [\large Area\;of\;Isosceles\;Trapeziod=h\left [\frac {a+b} {2}\right]\] Where, a and b are the parallel sides of trapezoid. Solved Examples. Question 1: A trapezoid has legs 8 cm each in length. Its bases are 10 cm and 15 cm respectively. Calculate its perimeter.The area of a trapezoid formula is given as Area = 1/2(a+b)h. Here. a and b are the bases and are parallel to each other; h is the altitude of the trapezoid- a perpendicular line joining the bases. ....