Question

ABCD is a quadrilateral inscribed in a circle such that AB=CD .Prove that AC=BD.

Answer 1

Answer:

In a quadrilateral if the diagonals bisect each other , then the quadrilateral should be a parallelogram. So ABCD is a parallelogram.

In a parallelogram opposite sides are equal. So AD = CB and AB = CD.

So AD.AB = CB.CD= CD.CB

Step-by-step explanation:

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