Answers

  • Brainly User
2016-03-15T19:55:22+05:30

The area A of a circle is given by

A = π r2

(R) is the radius of the circle and π is approximately 3.1416. Dividing both sides of this equation by π gives

A/π = r2

and hence if you know A, divide it by π and then take the square root to find r.

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