SOLUTION: Prove that a cyclic trapezium is an isosceles trapezium

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Question 1095420: Prove that a cyclic trapezium is an isosceles trapezium

Answer by ikleyn(52887) About Me  (Show Source):
You can put this solution on YOUR website!
.
See the lesson
    - Two parallel secants to a circle cut off congruent arcs
in this site.

This statement was proved there.