The area of a circle can be found with the formula
(pi)r^2
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In order to find the area of a sector of a circle you can use the formula below: pi*r^2 * # of degrees/ 360
pi multiplied by the radius squared
the formula for the area of a circle is 3.14 x radius squared
Area in square units = pi*radius2
The area formula for a circle is...A= pi x r2Put your value for the area into this equation to find the radius.84.64m2 = 3.14159 x r226.94177152m2 = r2r = 5.19meters