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The diameter of a circle can be found without the circumference using the formula d = 2r. This formula requires that you know the radius of the circle which is half of the diameter. To calculate the diameter you need to multiply the radius by 2. For example if the radius of the circle is 4 then the diameter would be 8 (4 x 2 = 8).
You can also find the diameter of a circle if you know the circumference. To do this use the formula c = d. By rearranging the equation you can calculate the diameter as d = c/. For example if the circumference of the circle is 12.5 the diameter would be 4 (12.5/ = 4).
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If you have your circumference how do you find the diameter?
diameter = circumference/pi
How do you find the diameter of something by its circumference?
You cannot find the diameter of something from its circumference unless it is a circle and, in that case, diameter = circumference/pi
How do you find the diameter and then the circumference if you have the radius?
Diameter = radius * 2 Circumference = pi * diameter.
To find the circumference of a circle multiply the diameter by?
diameter*pi = circumference
How do you find diameter of circle using the circumference?
Diameter = circumference/pi
