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02-07-2016
Mathematics

Answered

what is the radius of a circle in which a 30° arc is 2 inches long?

Verified Answer :

Ckaranja Ckaranja

04-07-2016

Length of arc=\(\frac{Ф}{360} 2 \pi r\)
2=\(\frac{30}{360} *2*3.412*r\)
2=0.5237r
r=\(\frac{2}{0.5237}\)
r=3.82 inches

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