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In the diagram, $O$ is the center of a circle with radii $OP=OQ=5$.  What is the perimeter of the shaded region?

 

 Sep 10, 2023
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Perimeter = 4 * 5  + pi * 5 =  5 ( 4 + pi)  ≈  35.7

 

cool cool cool   

 Sep 11, 2023

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