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A sphere of radius 4.2 cm. Find its volume (use π = 22/7), to two decimals.

Class 10Volume of Combined SolidsMensuration

A280.46
B310.46
C340.46
D620.92

Step-by-Step Solution

V = \frac{4}{3}

π

r^{3} = (\frac{4}{3}) (\frac{22}{7}) (4. 2^{3}) = (\frac{4}{3}) (\frac{22}{7}) (74.088) = (\frac{4}{3})

(232.848) = 310.464 approx

310.46 cm^{3}

.

Answer: B) 310.46

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