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19 March, 18:14

The radius of the curvature is 10ft and the height of the segment is 2ft whatthe length of the chord? a. 10ft, b. 15, c. 7.5, d. 12ft

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  1. 19 March, 18:24
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    Radius of curvature = 10'

    Diameter of circle = 2 * 10' = 20'

    height of segment = 2'

    Let semi-chord be x.

    Then by the intersecting chord property,

    2 * (20-2) = x^2

    x^2=36

    x=sqrt (36) = 6

    =>

    chord=2x=2*6=12'
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