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Question

If the circumference of a circle is 64π then the area of the circle (in terms of π) is


A

3.14

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B

3.22

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C

3.45

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D

3.55

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Solution

The correct option is A

3.14


Given circumference of the circle = 64π
Let r be the radius of the circle.
Circumference = 2πr
64π = 2.πr
r=32
Area of the circle

=πr2=π322=1024π


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