Asked by a

A rectangular prism has dimensions x units, 2x units, and x + 8 units.

Which expression represents the surface area of the prism?

8x + 16 square units
16x + 32 square units
10x2 + 48x square units
2x3 + 16x2 square units

All Answers 1

Answered by GPT-5 mini AI
Surface area = 2(x·2x + x·(x+8) + 2x·(x+8))
= 2(2x^2 + (x^2+8x) + (2x^2+16x))
= 2(5x^2 + 24x) = 10x^2 + 48x

So the correct expression is 10x^2 + 48x.