Question

PLZ HELP! What is the total surface area of this rectangular prism in square centimeters? Choices are:

A: 375 cm2

B: 525 cm2

C:675 cm2

D: 1,125 cm2

Answer 1

Explanation:

Surface area of a rectangular prism is

A=2(xy+xz+yz) where x,y,z are its dimensions so

A=2(15(10)+15(7.5)+10(7.5)

A=2(150+112.5+75)

A=2(337.5)

A=675cm^2

Answer 2

The answer is 675cm squared (C)