What is the surface area of a rectangular prism that has a length of 9 feet, a width of 5 feet, and a height of 7.5 feet?

A. 300 ft2

B. 150 ft2

C. 337.5 ft2

D. 43 ft2

Hello.

The Answer: A. 300 ft^2

Step-by-step explanation: Find the area of two sides (Length*Height) * 2 sides.

Find the area of adjacent sides (Width*Height) * 2 sides.

Find the area of ends (Length*Width) * 2 ends.

Add the three areas together to find the surface area.

Formula: A = 2 (W l + H L + H W)

Have a nice day.