Answer:
The surface area would be 200ft^2
Step-by-step explanation:
In order to find the answer, use the formula for a square base pyramid's surface area.
SA = a^2 + 2a√a^2/4 + h^2
Now input 10 for a, which is the base edge.
And input 5√2 for h, which is the height of the pyramid.
SA = 200
