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If a circle has a circumference of 100 pi units what is its area

User Djreisch
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1 Answer

5 votes

Explanation:

We have,

Circumference of a circle is 100 π.

Formula for circumference is :


C=2\pi r

r is radius of circle


r=(C)/(2\pi)\\\\r=(100\pi )/(2\pi)\\\\r=50\ \text{units}

Formula for area of circle is :


A=\pi r^2\\\\A=\pi (50)^2\\A=2500\pi\ \text{units}^2