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From center to a point on the circle.
A straight line passing through the centre of a circle to touch both sides of the circumference.
Each regular polygon has a center because it can be inscribed in a circle.
in a plane, the set of all points equidistant from a given point
Pi is the formula for how to find the circumference
Formula for circumference of a circle
C= 81.92 inches
Find the circumference of a circle with a diameter of 28 in. Use 3.14 for pi
C= 16.014 feet
Find the circumference of a circle with a diameter of 5.1 feet