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Area/Circumference of Circles

Directions:  If possible, find the radius of a circle where the area of the circle and the circumference of the circle are equal. Is there more than one possible answer?



How do we find the area of any circle?
How do we find the circumference of any circle?
Is there a way for these to have the same value?



The radius would have to be 2 units. Another possible solution is 0 units and a circle with a radius of 0 is not a circle by definition.

Source:  Karen Bloom

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