Circumference (distance around) is equal to pi (3.14) times the diameter. Diameter (distance across a circle) is twice the radius (distance from center to edge. 2 x 15= diameter of 30. 30 times 3.14= 94.2 meters for the circumference.
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Divide the circumference by 2PI to find the radius. ( C = 2PI*Radius)
find the radius of a circle with circumference of 42.1
To find the circumference of a circle, use the equation: Circumference = 2*π*radius so when the radius is r, the circumference is 2πr
Diameter = circumference/pi Radius = circumference/2*pi
Circumference=2*pi*radius