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The formula for finding the area of a circle is A=(pi)R^2.

R is the radius of the circle.

en.wikipedia.org/wiki/Area_of_a_circle

In geometry, the

www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/area-circumference-circle/v/area-of-a-circle

The

www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/area-circumference-circle/e/area_of_a_circle

Find the

www.mathgoodies.com/lessons/vol2/circle_area.html

www.virtualnerd.com/pre-algebra/perimeter-area-volume/circles/circle-sector-area-examples/circle-area-from-diameter

Note: If you have the diameter of a circle, you can use it to find the area of that
circle. Just plug that value into the formula for the

www.mathsisfun.com/geometry/circle-area.html

www.mathwarehouse.com/geometry/circle/area-of-circle.php

www.wikihow.com/Calculate-the-Area-of-a-Circle

How to Calculate the

www.ask.com/youtube?q=Area of a Circle&v=89O0rcCKVSY

Jan 18, 2016 ... Need a custom math course? Visit http://www.MathHelp.com. This lesson covers
the area of a circle . Students learn that the formula for the area ...