Question

a pyramid has a square base and a slant height of 7 ft what is the surface area?

Answer 1

Well since the problem doesn't give a base length, we will work with x.
The SA of a pyramid with a square base is
\[SA=4x*s+x^2\]
So, the area would be
\[SA=28x+x^2\]

Answer 2

16 1/3 ft sqrd.