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Calculator: Diameter of Circle

Calculate the Diameter of a Circle

Formula for the diameter of a circle depends on what is given to you.
1) Given: Radius of a circle

Then, Diameter  =  Radius  ×  2

2) Given: Circumference of a circle

Then, Diameter  =  Circumference  ÷  π

3) Given: Area of a circle

Then, Diameter  =  2 ×  √(Area  ÷  π)



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