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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?

 

 Feb 5, 2021
 #1
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arc  OP   has  the length    2pi  (5)   (60  /360)  =  (10/6) pi  =  (5/3)pi

 

So  the perimeter is

 

(5/3)  pi     +  5   +  5  =  

 

10  +  5pi / 3   =    (30 + 5pi)  /  3

 

 

cool cool cool

 Feb 5, 2021

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