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A circle is a simple closed shape. It is the set of all points in a plane that are at a given distance from a given point, the centre; equivalently it is the curve traced out by a point that moves so that its distance from a given point is constant.
(3.75 / 8 votes)Area = π * radius2
A = π * r2 =
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"Circle Area" Calculators.net. STANDS4 LLC, 2021. Web. 8 Mar. 2021. <https://www.calculators.net/calculators/circle-area>.
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