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In the diagram, O is the center of a circle with radii OP=OQ=15. What is the perimeter of the shaded region?

 

 Mar 6, 2022
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It is 3/4 of the total perimeter   plus two radii       3/4  *   pi *  2 * 15      +  15    + 15  units

 Mar 6, 2022

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