Question

The surface area for a rectangular prism with a square base is SA=2s2+4sh.

What is the surface area if s=2 and h=4?

Answer 1

40

Explanation:

SA=2(2)2+4(2)(4)

2(2)2=8 4(2)(4)=32

8+32=40

or just put it in the calculator as 2x2x2+4x2x4 and still get the same answer

Answer 2

40

Explanation:

2*2*2+4*2*4=8+32=40