What is the surface area of the rectangular prism?

10 in
3 in
9 in

1 answer

Surface Area = 2lw + 2lh + 2wh
Surface Area = 2(10)(3) + 2(10)(9) + 2(3)(9)
Surface Area = 60 + 180 + 54
Surface Area = 294 square inches

Therefore, the surface area of the rectangular prism is 294 square inches.