Question

Find the surface area of the triangular prism Formula: SA= p * h + 2 * b

Answer 1

139 square yards

Explanation:

We have that the formula for the surface area of a triangular prism is the following:

`A=p\cdot h+2b`

Where p, is the perimeter is the base and h is the height, while b is the area of the base, we replace and calculate the area like this:

`\begin{gathered} p=4+4+5=13 \\ A=13\cdot9.5+2\cdot7.75 \\ A=123.5+15.5 \\ A=139 \end{gathered}`

The area is 139 square yards