Question

Which expression can be used to find the surface area of the following square pyramid ​

Answer 1

More info? Thanks =)

Explanation:

Answer 2

`(1/2*4)*5+(1/2*4)*5+(1/2*4)*5+(1/2*4)*5+(4*4)=2*5+2*5+2*5+2*5+16=10^2+10^2+10^2+10^2+16^2=40^2+16^2=56^2`

Explanation:

a triangle is 1/2 of the base x height. so the area of 4 triangles and the surface area of the base square is the total surface area.