In circle g with m fgh =90 and fg = 9 units find the area of the sector

The arc length is given by:
[tex]\begin{gathered} L=r\theta \\ \text{where:} \\ r=9 \\ \theta=\frac{\pi}{2} \\ L=\frac{9}{2}\pi \end{gathered}[/tex]The area of the sector will be:
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