The correct answer is 25.13 feet, not the figure given below - which is twice as large.
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Circumference of a circle = pi*diameter or 2*pi*radius
find the radius of a circle with circumference of 42.1
A circle with a radius of 8 inches has a circumference of 50.27 inches.
The circumference of a circle is twice the radius times PI [2*pi*r] with r = 4 >> about 25
The radius of a circle is the distance from its centre to its circumference. If a circle has a radius of r units then the length of its circumference is 2*pi*r units.