Q.

Choose the correct option:

Find the area of a circle whose radius is 10 cm.

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a

62.8 cm2

b

100 cm2

c

31.4 cm2

d

314 cm2

answer is C.

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Detailed Solution

Given: Radius of circle = 10 cm

Area of circle =πr2

=3.14×(10)2

=314 cm2

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