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Q: What is the radius of a circle if the circumference is 8cm?

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the answer is 20.54

Circumference of a circle: 2*p*radius or pi*diameter

It depends on the ratio of what of the circle? Its circumference, diameter, area?

15

It has a circumference of 50.3cm

Circumference of a circle = 3.14 x d 3.14 x 8 = 25.12 Therefore the circumference of a circle with the diameter of 8cm is 25.12cm.

The diameter of a circle may found by dividing the circumference by pi. 8cm/3.1416=2.546cm

The radius of a circle is circumference/2 pi .

A = 5.093 cm2

C=3.14*d<----diameter d=r*2 ex: what is the circumference of a circle if the radius is 4cm? 4*2=8cm 3.14*8=25.12cm c=25.12cm

The radius of a circle, if the circumference is 188.5, is 30.

The radius of a circle with the circumference of 19.96 is about 3.18

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