Write the formula of finding the area and perimeter of a circle
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The formula of finding area is πr2and perimeter is 2πr.
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The area of a circle is πr2 and the perimeter (circumference) is 2πr when the radius is 'r' units, π is approx 3.14 or 22/7. The circumference and the radius length of a circle are important parameters to find the area of that circle. For a circle with radius 'r' and circumference 'C': π = Circumference ÷ Diameter.
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