The formula in terms of r is [tex]\rm r = \sqrt { \dfrac{A}{ \pi}[/tex].
A circle is a round shaped figure whose all the points lie in one plane and the distance of the points on the circumference is constant from the center of the circle.
The formula of area of a circle is
A = πr²
The formula in terms of r is
r² = A/π
[tex]\rm r = \sqrt { \dfrac{A}{ \pi}[/tex]
Therefore, the formula in terms of r is [tex]\rm r = \sqrt { \dfrac{A}{ \pi}[/tex].
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