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Homework Help: Sum of interior angles of cyclic hexagon

  1. Nov 8, 2005 #1
    Right I have been given the following problem and cannot resolve it. I have had an attempt but without much success. Could anyone help me with this exercise, please? Hints or a little more welcome :-)

    A cyclic hexagon is a hexagon whose vertices all lie on the circumference of a circle.

    The vertices of a cyclic hexagon are labelled in order A to F. Prove that the sum of the interior angles at A, C and E is equal to the sum of the interior angles at B, D and F.

    Generalise (concisely) to other cyclic polygons?
  2. jcsd
  3. Nov 8, 2005 #2
    what have you done so far?
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