Question

If this is question can be answered as soon as possible that would be spending

Answer 1

For this problem we are given the dimensions of a square pyramid and we need to determine its surface area.

The surface area of the pyramid can b found with the following expression:

`A_(surface)=A_(base)+4\cdot A_(lateral)`

Where Abase is the area of the square and Alateral is the area of a triangular face. We have:

`\begin{gathered} A_(base)=3\cdot3=9\text{ square inches}\\ \\ A_(lateral)=(3\cdot5)/(2)=7.5\text{ square inches} \end{gathered}`

The surface area is:

`A_(surface)=9+4\cdot7.5=9+30=39\text{ square inches}`

The correct answer is C.