Practice!

Sample Problem

The base of the following pyramid is a square. What is the surface area of the pyramid? Round the answer to the nearest hundredth.

The surface area = in2.

Solution

l =  = 10.77 in

SA = s × s + 2 × s × l

= 8 × 8 + 2 × 8 × 10.77

= 236.32 in2