Area of a circle how to get the formula is a mathematical instrument that assists to solve math equations.
Solve NowThe area of a circle is: π ( Pi) times the Radius squared: A = π r2. or, when you know the Diameter: A = (π /4) × D2. or, when you know the Circumference: A = C2 / 4π.
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Plug the radius into the formula. Substitute the value you previously calculated and substitute it for the variable . Then, square the value. To square a value means to multiply it by itself. It’s easy to do this
The formula for the area of a circle is A = πr 2, where r is the radius of the circle. The unit of area is the square unit, for example, m 2, cm 2, in 2, etc. Area of Circle = πr2 or πd2/4 in square
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