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You divide circumference / (2 x pi).You divide circumference / (2 x pi).You divide circumference / (2 x pi).You divide circumference / (2 x pi).
Circumference is calculated by 2pr So if you know the circumference, divide by 2, and then divide by p That answer will be the radius
divide the circumference by pi and then divide the quotient by 2
No. Circumference is piRADIUS2. but if you divide diameter by 2 that is the radius.
What do you have? The area of the circle or the circumference? Area: divide the area by pi, then square root it Circumference: divide the circumference by 2 then divide it by pi