Formula of circle and it’s defination
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Formula.
Circumference=Πd OR 2Πr.
Area=Πr^2
A circle is a plane figure bounded by one curved line, and such that all straight lines drawn from a certain point within it to the bounding line, are equal. The bounding line is called its circumference and the point, its centre.
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ıмρσятαηт ƒσямυłαє. cıяcυмƒєяєηcє σƒ α cıяcłє. 2 × π × я. łєηgтн σƒ αη αяc. (cєηтяαł αηgłє мα∂є вy тнє αяc/360°) × 2 × π × я.
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