Mensurationhard · Past Paper
Find the TSA of a right prism with height 10 cm and base a right triangle with legs 3 cm and 4 cm.
A132 sq. cm
B120 sq. cm
C144 sq. cm
D156 sq. cm
✓ Correct Answer: A — 132 sq. cm
Perimeter = 3+4+5=12. LSA = 12*10=120. Base Area = 1/2*3*4=6. TSA = 120 + 2*6 = 132 sq. cm.
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