Given: Circle O, diameter, marked perpendicular, Chord BC= 10, find x?

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2 Answers

  • 7 months ago

    OA^2 + OC^2 = x^2 (or AC^2)

    AC = BC

    Since BC = 10, x = 10

  • 7 months ago

    The long chord is bisected into BC and AC. So they have the same length. You said BC = 10, so AC would be the same length.


    x = 10 units

    P.S. If you meant that chord *AB* was 10, then x would be 5.

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