Question 8 • FL-1205040-M/J Grade 7 Mathematics B -GF
A rectangular prism has three pairs of matching faces, so its surface area is 2(lw + lh + wh). Using dimensions 5, 6, and 5 inches gives 2(5×6 + 5×5 + 6×5) = 2(30 + 25 + 30) = 170 square inches. The correct choice is 170 square inches.
AI-written and checked against the verified answer.