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Solve for A A=1/2r^2

$A = \frac{1}{2} r^{2}$

Step 1

Combine $\frac{1}{2}$ and $r^{2}$ .

$A = \frac{r^{2}}{2}$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$

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