C = circumference, d = diameter, r = radius
C = Pi * d
25 in. = 3.1415 * d
d = 25 in./3.1415
d = 7.9577 in.
r = d/2
r = 7.9577 in./2
r = 3.979 in.
Therefore, a circle with a circumference of 25 inches has a radius of about 4 inches.
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The circumference of a circle when the radius is 25 feet equals about 157.08 feet.
A circle with a circumference of 25 inches has a radius of about 3.979 inches.
Radius of circle: 157/2pi = 25 m rounded
The circumference is 50π ft or 157.08 ft.
The circumference of a circle with a radius of 12.5 is 78.54 to two decimal places.