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13 March, 00:41

How long is the arc intersected by a 2π/3 radian central angle in a circle with radius 7 feet?

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  1. 13 March, 02:51
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    The arc length is given by:

    C=θ/360πd

    where:

    d=diameter=2*7=14 ft

    θ=2/3*180=120

    thus the arc length will be:

    120/360*π * (2*7)

    =14.661 ft

    Answer: 14.661 ft
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