Q: Radius from circumference

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If the circumference is 20 the radius is 3.18

If the circumference is 34.54, the radius is 5.497211734394065.

If the circumference of a circle is 351.68 the radius is: 56

The radius of a circle with a circumference of 12 is: 1.91

the radius is 10.5 inches. * * * * * Wrong! Circumference = 2*pi*Radius Or, Radius = Circumference/(2*pi) So circumference = 21 inches implies radius = 3.34 inches (to 3 sf)

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Circumference = 2*pi*radius Radius = Circumference/(2*pi)

the circumference is two times the radius, or 2r. so if the radius was 3, the circumference would be 6. if the radius was 4, the circumference is 8.

The circumference is 2*pi*radius. It does not matter if the radius is an integer or a fraction.The circumference is 2*pi*radius. It does not matter if the radius is an integer or a fraction.The circumference is 2*pi*radius. It does not matter if the radius is an integer or a fraction.The circumference is 2*pi*radius. It does not matter if the radius is an integer or a fraction.

Circumference = 2*pi*radius So Radius = Circumference/(2*pi)

Circumference = 2 * radius * pi (where pi is approx = 3.14159)So Radius = Circumference / (2 * pi)

If the circumference is 34.54, the radius is 5.497211734394065.

If the circumference is 24 the radius will be: 3.82

If the circumference is 20 the radius is 3.18

To find the circumference of a circle, use the equation: Circumference = 2*π*radius so when the radius is r, the circumference is 2πr

Circumference = 2 x Pi x Radius Radius = Circumference / (2 x Pi).

The circumference is twice the radius. In other words, if you know the radius, multiply it by 2 to get the circumference.

IMPOSSIBLE circumference = 2*pi*radius if circumference = 2*radius: 2*radius=2*pi*radius 2*radius/(2*radius)=2*pi*radius/(2*radius) 1=pi pi= 1 therefore it is impossible to have a circumference that is twice that of the radius