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cyclic quadrilateral ptolemy theorem

Cyclic Quadrilateral Properties | Ptolemy Theorem | Proof of AMBCID 11

Cyclic Quadrilateral If ABCD is a cyclic quadrilateral, then the sum of opposite angles is 180 degrees. It means, ∠A + ∠C = ∠B + ∠D = 180 degrees. Product of Diagonals : Ptolemy Theorem In a cyclic quadrilateral, the sum of product of two pairs of opposite sides equals the product of

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