a circle is a round object. since an area is a two dimensional concept not a three dimensional concept like a volume,the area of a circle is squared. GIVEN BY THE FORMULA A=pie x r(radius)squared.
pie=3.14159265
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The radius of a circle with an area of 35 mm squared is 3.34mm
The area of a 10cm circle is 314.16cm2 ( squared)
A= Area of the circle¶= Pi (About 3.14)r= Radius squared (Radius times radius)3.14 * Radius squared
This circle's area would be 78.54 units squared.
Area of a circle = pi*radius2 measured in square units