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The area of a circle equals to 5 cm2. Find the radius of the circle.

1 Answer

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Explanation:

First, we must know the formula to finding the area.


A=r^2\pi

Now rearrange the formula so that you can find the radius.


r=\sqrt{(A)/(\pi ) }


r=\sqrt{(5)/(\pi ) }


r=√(1.6)

So, the radius of a circle that has an area of 5 cm² is about 1.3 cm.

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