Circumference = 2*pi*radius
So
Radius = Circumference/(2*pi) = 8/(2*pi) = 4/pi = 1.2732 (to 4 dp)
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If the radius of a circle is 8 cm, the circumference will be: 50.3 cm (C = r x 2 x Pi).
If the radius of a circle is 8 feet the circumference is about 50.27 feet.
The circumference of a circle with a diameter of 8 centimeters is = 8*pi cm
If the radius of the circle is 8 cm the circumference is: about 50.27 cm (r x 2 x pi = circumference).
A circle with a radius of 8 inches has a circumference of 50.27 inches.