Mensurationmedium · Past Paper
A right prism has a height of 15 cm and its base is an equilateral triangle of side 6 cm. Find its lateral surface area.
A90 cm²
B270 cm²
C180 cm²
D225 cm²
✓ Correct Answer: B — 270 cm²
Lateral Surface Area = Perimeter * height = (6+6+6) * 15 = 18 * 15 = 270 cm².
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