Find surface area of a prism formula11/14/2023 Since the base is a triangle, then the base area, B =1/2 ba TSA = 2 x area of the base + perimeter of the base x Height ![]() The other two sides of the triangular base are 7 cm each.įind the total surface area of the triangular prism. The dimensions of a triangular prism are given as follows: Let’s solve a few example problems involving the surface area of different types of prisms. Note: The formula to find the base area (B) of a prism depends on the base’s shape. Where TSA = Total surface area of a prism Total surface area of a prism = 2 x area of the base + perimeter of the base x Height Therefore, the surface area of a prism formula is given as: Since we know the total surface area of a prism is equal to the sum of all its faces, i.e., the floor, walls, and roof of a prism. Add up the area of the two bases and the area of the lateral faces to get the total surface area of a prism.And then calculate the area of lateral faces connecting the bases.To find the total surface area of a prism, you need to calculate the area of two polygonal bases, i.e., the top face and bottom face.In a prism, the lateral faces, which are parallelograms, are perpendicular to the polygonal bases. A prism is named according to the shape of the polygonal bases. To recall, a prism is a 3-dimensional polyhedron with two parallel and congruent bases, which are connected by lateral faces. ![]() In this article, you will learn how to find the total surface area of a prism by using the surface area of a prism formula. ![]() The total surface area of a prism is the sum of areas of its lateral faces and its two bases. Surface Area of a Prism – Explanation & Examples
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