Mensurationhard · Past Paper
Find the total surface area of the prism described in the previous question (base sides 3, 4, 5 and height 10).
A120 cm²
B126 cm²
C132 cm²
D144 cm²
✓ Correct Answer: C — 132 cm²
Base Area = 1/2 * 3 * 4 = 6 cm². TSA = 2 * Base Area + LSA = 2 * 6 + 120 = 132 cm².
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