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25 September, 00:34

What is the radius of a circle in which a 30° arc is 2 inches long? 24 inches 12 inches 2 root 3

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  1. 25 September, 01:07
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    Step-by-step explanation:

    θ=l/r

    where θ is in radians.

    θ=30 = Π/180 * 30=π/6

    π/6=2/r

    πr=12

    r=12/π≈3.82 in

    2√3≈3.46

    which is near to 3.82
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