C=Pi x diameter
The circumference, C, of a circle is given by the formula
diameter = circumference/pi (pi = 3.14159265 or 3.14 for rough approximation).
(pi)D
Given a circle with a diameter of 4, the circumference is: 12.6 (diameter x Pi = circumference).
To find the circumference of a circle the formula is: 2*pi*radius or diameter*pi
If you are given the radius of the circle, you can use the formula: diameter = 2*radius If you are given the circumference of the circle, you can use the formula: diameter = circumference/pi
Circumference = (diameter) multiplied by (pi)
Circumference of a circle = (pi) x (diameter)
The circumference, C, of a circle is given by the formula
diameter = circumference/pi (pi = 3.14159265 or 3.14 for rough approximation).
(pi)D
Given a circle with a diameter of 4, the circumference is: 12.6 (diameter x Pi = circumference).
To find the circumference of a circle the formula is: 2*pi*radius or diameter*pi
Diameter of a circle = circumference/pi
When you are given the circumference of a circle asked to find the diameter, divide the circumference by pi. The formula for circumference is pi x diameter, so the formula for diameter is circumference divided by pi. So 7 divided by pi equals about 2.22.
Circumfrence=diameter X 3.14 (diameter=2 X radius)
Divide the circumference by pi (about 3.1416). The result is the circle's diameter.