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Question

If circumference and area of a circle are numerically equal, then find its diameter.


A

2

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B

8

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C

2π

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D

4

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Solution

The correct option is D

4


Given: Area of the circle = Circumference of the circle
πr2=2πr ,where r is the radius of the circle.
r2=2r
r=2
2r=4
The diameter of the given circle is 4 units long.


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