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A hemisphere of radius 7 cm. Find its volume (use π = 22/7). Give the answer to two decimals.

Class 10Volume of Combined SolidsMensuration

A788.67
B648.67
C718.67
D1437.34

Step-by-Step Solution

V = \frac{2}{3} p i r^{3} = (\frac{2}{3}) (\frac{22}{7}) (343) = \frac{2 \times 22 \times 343}{3 \times 7} = \frac{2 \times 22 \times 49}{3} = \frac{2156}{3} = 718.67 cm^{3}

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Answer: C) 718.67

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