Diameter and circumference of the circle Formula Diameter d = 2 × r The circumference C = π × d = 2 × π × r Circle disk area A = π × d² / 4 = π × r² π = 3.14 |
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Enter the circle radius value and find out the diameter and circumference of the circle or disc | |||
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How to convert |
How to find the diameter of a circle? How to calculate the circumference of a circle? |
mathematics | |
measurement units |