what are the formulas for perimeter of circle and area of circle ?
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The area of a circle is pi times the radius squared (A = π r²). Learn how to use this formula to find the area of a circle when given the diameter.
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Step-by-step explanation:
To find perimeter of circle ,
If diameter is given then perimeter formula = π×d
If radius is given then perimeter formula= π × 2× r
Area of circle =
Area of circle is always find through radius , then formula = π r ²
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