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In the diagram, the smaller circles touch the larger circle and touch each other at the center of the larger circle. The radius of the larger circle is 10.  What is the area of the shaded region?

 

 Dec 4, 2020
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Smaller circles are radius 5

 

Larger circle area -   2 X   smaller circle area = shaded area

pi (102)     -  2 X ( pi 52 ) = shaded area

 Dec 4, 2020

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