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

User Stevland
by
7.5k points

1 Answer

7 votes
Length of arc=
(Ф)/(360) 2 \pi r
2=
(30)/(360) *2*3.412*r
2=0.5237r
r=
(2)/(0.5237)
r=3.82 inches
User Shiya
by
7.2k points
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