Question

The lateral area of a right prism having a perimeter of 25 inches and a height of 5 inches is:

A) 125 inches squared.
B) 100 inches squared.
C) 63 inches squared.
D) 30 inches squared.

Answer 1

A) 125 inches squared

Explanation:

The lateral area is the product of the perimeter of the base, and the height:

(25 in)(5 in) = 125 in²

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If you draw the net for the object, you will see that the rectangle representing the lateral area has these dimensions.