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What is the curved surface area of a hemisphere of radius 14 cm?

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1232 cm 2

1132 cm 2

1242 cm 2

1032 cm 2

answer is A.

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Detailed Solution

Given-

r = 14 c m

Curved surface area = 2 π r 2 = 2227 (14) 2 = 447 (14) 2 = 86247 = 1232 cm 2

Thus, the curved surface area of hemisphere is

1232 cm 2

.
Hence, option 1 is the correct option.

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