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A hemisphere of radius 3 cm. Find its volume (use π = 22/7). Give the answer in $cm^{3}$ (rounded to two decimals).

Class 10Volume of Combined SolidsMensuration

A113.14
B50.57
C56.57
D62.57

Step-by-Step Solution

V = \frac{2}{3}

π

r^{3} = (\frac{2}{3}) (\frac{22}{7}) (27) = \frac{2 \times 22 \times 27}{3 \times 7} = \frac{1188}{21} = 56.571

... approx

56.57 cm^{3}

.

Answer: C) 56.57

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