Solution: Given: The bases are : a = 22 cm b = 10 cm the height is h = 5 cm. Example 1: Find the area of a trapezoid given the length of parallel sides 22 cm and 12 cm, respectively. Here is an area of a trapezoid example using the direct formula and an area of a trapezoid example with the alternative method. ‘h’ is the height, i.e., the perpendicular distance between the parallel sides. We can calculate the area of trapezoid if we know the length of its parallel sides and the distance (height) between the parallel sides. What is the Formula To Calculate the Area of Trapezoids? (see example 2 for a more precise understanding) Finally, we will add the area of the polygons to get the total area of the trapezoid. Next, we will find the area of the triangles and rectangles separately. For the second method, firstly, if we are given the length of all the sides, we split the trapezoid into smaller polygons such as triangles and rectangles.The first method is a direct method that uses a direct formula to find the area of a trapezoid with the known dimensions (see example 1).There are two approaches to finding the area of trapezoids. The area of a trapezoid is the complete space enclosed by its four sides. Real-life examples where you can see the area of trapezoids are handbags, popcorn tins, and the guitar-like dulcimer. When the other two sides are non-parallel, they are called legs or lateral sides. You can calculate it by using this formula: lateral area = length * (side a + side b + side c + side d).What is a trapezoid? A trapezoid or trapezium is a quadrilateral with at least one pair of parallel sides. The lateral area of that trapezoidal prism will be 4 m². An object cannot have zero or negative lateral area. This is because zero and negative lateral area simply doesn't exist. You can calculate the surface area of a trapezoidal prism in four steps: The surface area is the sum of the areas of all the sides of an 3D object, incising its base and top.įor the surface area calculation, we will use the same trapezoidal prism as the last example. You can calculate the lateral area of a trapezoidal prism in four steps:Īfter understanding how to find the lateral area of a trapezoidal prism, let's talk about surface area. To understand the calculation of the lateral area of a trapezoidal prism, let's take the following trapezoidal prism as an example: Check out our rectangular prism calculator for more information. The lateral area is the sum of the areas of all the sides of an 3D object besides the base and the top. We will also demonstrate some examples to help you understand the the concept. We have written this article to help you understand what the lateral area of a trapezoidal prism is and how to calculate the lateral area trapezoidal prism. You can check out our surface area calculator and quadrilateral calculator to understand more about this topic. With this lateral area trapezoidal prism calculator, we aim to help you to calculate the lateral area of a trapezoidal prism.
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