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Question

Find the curved surface area of a hemisphere whose radius is 7 cm.

A
308 cm2
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B
318 cm2
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C
388 cm2
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D
368 cm2
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Solution

The correct option is A 308 cm2
We know, radius r =7 cm
Curved surface area of hemisphere =2πr2
=2×227×7×7
=308 cm2

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