![]() The length of a triangular prism is also known as the height of the prism.Step 3: The volume of the given triangular prism = base area × length = 9√3 × 15 = 135√3 cubic inches.Step 2: The length of the prism is 15 in.So its area is found using the formula, √3a 2/4 = √3(6) 2/4 = 9√3 square inches. Step 1: The base triangle is an equilateral triangle with its side as a = 6.Solution: The volume of the triangular prism can be calculated using the following steps. Step 3: Multiply the base area (from step 1) and the length of the prism to find the volume.Įxample: Calculate the volume of the triangular prism whose length is 15 in and whose base is an equilateral triangle of side 6 inches.Step 2: Identify the length of the prism (Note that this length of the prism is also known as the height of the prism, and it should not be confused with the height of the base triangle).Step 1: Identify the type of the base triangle and find its area using a suitable formula (as explained in the previous section).Before that make sure that all measurements are of the same units. The volume of a triangular prism can be calculated with the help of the following steps and the example given below. How to Find the Volume of Triangular Prism? If the base triangle's two sides 'a' and 'b' and the included angle 'θ' are given, then its area is found using 1/2 ab sin θ.Note that you can apply this formula (which is also called Heron's formula) for an isosceles triangle (or) an equilateral triangle as well. ![]()
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