Respuesta :

Let us first change the 80° to radians.

[tex]\text{rad}=80\cdot\frac{\pi}{180}=\frac{4\pi}{9}[/tex]

so we get that the area is

[tex]\frac{2}{9}\pi\cdot12^2=144\cdot\frac{2}{9}\pi=32\pi[/tex]

so the area is 32pi square yards

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