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Divide the circumference of a circle by pi (approx 3.1416) to find its diameter.

Q: How do you find diameter if you have circumference?

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Divide the circumference by 3.14159265 (3.14 for rough approximation) to find the diameter of a circle.

Divide the circumference by 3.14159265 (3.14 for rough approximation) to find the diameter of a circle.

Circumference = (diameter) multiplied by (pi)

Divide the circumference by pi (pi = 3.14159 or rounded to 3.14 for rough approximation) to find the diameter of a circle.

circumference of a circle = pi*diameter or 2*pi*radius

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Diameter = Circumference/pi

diameter = circumference/pi

You cannot find the diameter of something from its circumference unless it is a circle and, in that case, diameter = circumference/pi

Circumference = Pi * diameter

Divide the circumference by Pi to find the diameter.

Circumference = diameter(pi) so divide the circumference by pi to get the diameter.

Diameter = radius * 2 Circumference = pi * diameter.

Circumference: Diameter x pi (3.1415926535897932384...)

circumference/pi = diameter

diameter*pi = circumference

Diameter = circumference/pi

11 is a good approximation of the diameter. If the circumference is 35, the actual diameter is about 11.14 (35/3.1416).