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Posted by on Monday, February 11, 2013 at 1:24am.

A semicircle has AB as the endpoints of its diameter, and AB=80. Points C and D are on the circumference of the semicircle such that AD=BC=40. What is the length of DC?

  • geometry - , Monday, February 11, 2013 at 4:57am

    Since the radius is equal to the given chords, the central angle is 60 degrees.
    (An inscribed hexagon has sides equal to the radius)

    So, DC is also 40

  • geometry - , Sunday, February 17, 2013 at 7:20am

    CAN U SEND TO ME THE DRAWING OF THIS qUESTION PLS.
    aDD ME ON FACEBOOK KIM JOSHUA DESPOSADO

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