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x/360 * 2pi*r = 7pi*r/10

find x

Guest Apr 9, 2017
 #1
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x/360 * 2pi*r = 7pi*r/10

 

Solve for x:
(π r x)/180 = (7 π r)/10

Divide both sides by (π r)/180:
Answer: | x = 126

Guest Apr 9, 2017

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