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Asked by dhruba

ABCD is a cyclic square. If AB = CD; prove that, AC = BD
9 years ago

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Answered by Reiny
One of the basic property of a square:
the diagonals are equal

very easy to prove, you have congruent triangles.
9 years ago
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ABCD is a cyclic square. If AB = CD; prove that, AC = BD

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