Mensurationhard · Past Paper
What is the volume of a hemisphere if the area of its base is 154 cm^2?
A718.67 cm^3
B1078.67 cm^3
C1437.33 cm^3
D359.33 cm^3
✓ Correct Answer: A — 718.67 cm^3
πr^2 = 154 → r = 7. Volume = (2/3)πr^3 = (2/3)*(22/7)*7^3 = 2156/3 ≈ 718.67 cm^3.
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