make r the subject

A=πr^2

asked by guest
on Sep 21, 2024 at 2:54 am



You asked:

Solve the equation \[A = \pi \cdot {r}^{2}\] for the unknown \(r\).

MathBot Answer:

$$\begin{aligned}r &= \frac{\sqrt{A}}{\sqrt{\pi}}\\r &= - \frac{\sqrt{A}}{\sqrt{\pi}}\end{aligned}$$

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