# Find the diameter of a circle

A circle’s diameter essentially splits the shape in half. What is the diameter of a 12 inch circle? Setting Up the Formula or “The diameter is equal to twelve divided by 3.14.” Divide

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## Finding the Diameter of a Circle Given the Radius

Formula The formula used to calculate the circle diameter is: ø = 2 x √ (A / π) Symbols ø = Circle diameter A = Circle area π = Pi = 3.14159 Area of Circle Enter the area contained within a circle. Diameter of Circle This is the diameter

## learn how to find the diameter of a circle given the area

We can derive the diameter of a circle formula using the area of the circle formula that is,

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