Question

A formula for finding SA, the surface area of a rectangular prism, is

SA = 2(ab + ac + bc), where a, b, and c represent the lengths of the edges of the prism. What is the surface area of this prism if a = 12 inches, b = 6 inches, and c = 4 inches?



A. 240 in. 2
B. 248 in. 2
C. 288 in. 2
D. 258 in. 2

Answer 1

The correct answer is D :)

Answer 2

first you need to make your shape to always get you stuff right and that is why the d is the right one.

Explanation: