We find the radius of a circle given the area. We'll see two examples, one with nice numbers and one with big jerk numbers. It's all about solving the area formula, A=pir^2, for the radius, which is a piece of cake! And remember - once we find the radius, we can double it to get the diameter!

How to Find Diameter of a Circle from Circumference: [ Ссылка ]
How to Find Radius of a Circle from Circumference: [ Ссылка ]
How to Find Diameter of a Circle from Are: [ Ссылка ]

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