If the circumference and the area of a circle are numerically equal, then what is its radius??
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Answer:
The perimeter of a circle is 2πr where r is the radius of the circle. Therefore, if r is 2units then the area and perimeter of the circle would be numerically equal.
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Answer:
c=2πr
a=πr^2
2πr=πr^2
r^2/2
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