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March 26, 2017

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A circular arc has measure 22ft and is intercepted by a central angle of 27 degrees . Find the radius of the circle.

  • math - ,

    2πr/22 = 360/27
    r = 22(360)/(54π) = 46.69 ft

    check:
    circum = 2π(46.69) = 293.3333
    arc = (27/360)(293.3333 = 22

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