The area and circumference of a circle are numerically equal. What is the diameter of the circle?

4 units

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40 units

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20 units

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2 units

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Solution

The correct option is A
4 units

r2 = 2r

r = 2

diameter = 4

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Similar questions

If circumference and area of a circle are numerically equal, then the diameter of the circle is 4 units.

If circumference and area of a circle are numerically equal, how long is its diameter?

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