cyclic quadrilateral

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

cyclic quadrilateralcyclic quadrilateral formulacyclic quadrilateral propertiescyclic quadrilateral theoremptolemyptolemy theoremptolemy theorem cyclic quadrilateralptolemy theorem proofptolemy theory Read More