First step is going to be to divide the circumference by Pi (about 3.1416). Next, divide by two to get the radius.
Divide the circumference by 2PI to find the radius. ( C = 2PI*Radius)
Circumference = 2*pi*radius So Radius = Circumference/(2*pi)
find the radius of a circle with circumference of 42.1
Circumference = 2 x Pi x Radius Radius = Circumference / (2 x Pi).
To find the circumference of a circle, use the equation: Circumference = 2*π*radius so when the radius is r, the circumference is 2πr
Circumference of a circle = 2*pi*radius
Circumference = 2 * radius * pi (where pi is approx = 3.14159)So Radius = Circumference / (2 * pi)
Diameter = circumference/pi Radius = circumference/2*pi
circumference = pi * 2radius (diameter) so to find radius you use circumference/(2 x pi) this will find radius ----
Diameter = radius * 2 Circumference = pi * diameter.
Circumference=2*pi*radius
circumference equal 2*pi*r(radius) C=2PiR