In the case that the base is an equilateral triangle, we know that the three sides of the triangle are equal, so the three areas of the lateral faces are equal. A triangular prism has 5 faces, 3 being rectangular and 2 being triangular. To find the surface area of a triangular prism we will use the technique of dividing it into different shapes, finding their surface area separately, and then. In a triangular prism, we have two equal triangular faces and three rectangular faces that may or may not be the same.Įach triangular face has an area of $latex \frach$ The length of each side is 5 inches and the width of each side is 3 inches. A triangular prism has a triangular end with a base of 4 inches and a height of 3 inches.
What is the surface area of this gure Directions: Find the surface area of each triangular prism. The formula for the surface area of a triangular prism is obtained by adding the expressions for the areas of all the faces of the prism. To find the surface area of a prism, use the formula S A 2 B + p h, where S A stands for surface area, B stands for the area of the base of the prism, p stands for the perimeter of the base, and h stands for height of the prism. What is the formula for nding the surface area of a triangular prism 7. Formula to find the surface area of a triangular prism
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