The area of a circle is 98.56 cm2. Find its circumference. – InterviewSolution

1.

The area of a circle is 98.56 cm2. Find its circumference.

Answer»

Area of a circle = 98.56 cm²

We know, Area of the circle = πr²

Where, r = radius of the circle

So, πr² = 98.56

Put π = 22/7

r² = 98.56/(22/7) = 31.36

r = 5.6

Circumference if circle is 5.6 cm

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