What is the lateral area of the rectangular prism with a base length of 17 m, a base width of 7 m, and a height of 5 m?

A.
595 m2

B.
478 m2

C.
240 m2

D.
239 m2



Answer :

The lateral area of a solid shape is the total surface area of the shape with exception of the top and the bottom bases. The lateral area of of a rectangular prism is the total surface area of the prism with exception of the top and the bottom bases. It is given by 2(lh + wh) = 2(17 x 5 + 7 x 5) = 2(85 + 35) = 2(120) = 240 m^2
The correct answer is C. I took this test last year and it was C.
Hope this was helpful