r= 24.5
7.002 × 7.002 × 3.1416 = 154.03 circumference (to 2 decimal places).Therefore the radius is 7.002
If you mean the diameter and radius of a circle given the circumference it is:- diameter = circumference/pi radius = circumference/(2*pi)
Diameter = circumference/pi Radius = circumference/2*pi
Divide the circumference by 2PI to find the radius. ( C = 2PI*Radius)
Circumference = 2 * radius * pi (where pi is approx = 3.14159)So Radius = Circumference / (2 * pi)
The circumference is 25.1
2 * pi * radius
circumference = 2 x π x radius ⇒ radius = circumference ÷ (2 x π) Divide the circumference by two times π (≈ 6.283).
6 37.68/(2 x pi)
For any given circle, the circumference is equal to the radius multiplied by 2 x pi.
Circumference equals the diameter times pi. The diameter is 2 times radius. Radius equals Circumference divided by pi then divided by 2.
Circumference = diameter*pi