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In the diagram, $K$, $O$ and $M$ are the centers of the three semi-circles. Also, $OC = 32$ and $CB = 36$.

What is the length of $AC$?

 Sep 13, 2020
 #1
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this is hard

 Sep 13, 2020
 #2
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It's not hard; it's very simple.smiley

 

OC = 32        CB = 36  

 

AC = [ 2(OC + CB)] - CB = 100 

jugoslav  Sep 14, 2020

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