SOLUTION: Given: AC=BD and AB and CD bisect each other. Prove: angle A = angle B

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Question 1094458: Given: AC=BD and AB and CD bisect each other. Prove: angle A = angle B
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
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The wording form of this statement is this Theorem: 

    If in a quadrilateral two diagonals bisect each other,  then the quadrilateral is a parallelogram.

It was proved in the lesson
    - Properties of diagonals of parallelograms
in this site (Theorem 2).