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well if you have a radius then u just multiply the raduis by two and you get your diameter

Q: What is the formula to get diameter?

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The formula for the circumference of a circle is the same, whatever its diameter. Circumference = pi*diameter.

pi*diameter = circumference Rearrange the formula so as the diameter is the subject of the formula: diameter = circumference/pi diameter = 7/pi = 2.228169203

The diameter of a circle is twice its radius.

what is the formula for a cylinder with a diameter of 75 ft and a height of 66ft

PI times the DIAMETER

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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

The formula for the circumference of a circle is the same, whatever its diameter. Circumference = pi*diameter.

4inch pipe diameter

pi*diameter = circumference Rearrange the formula so as the diameter is the subject of the formula: diameter = circumference/pi diameter = 7/pi = 2.228169203

Formula: diameter = pi / circumference

diameter = circumference / pi diameter = radius * 2

The diameter of a circle is twice its radius.

what is the formula for a cylinder with a diameter of 75 ft and a height of 66ft

Diameter = 2*Radius

PI times the DIAMETER

d=2r diameter=2 times the radius

The diameter of a circle is twice its radius, or 2r.