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ABCD is a cyclic quadsıilaterial. if If angle DBC=80< BAC is 40, find angleBCD​

Answer»

a CYCLIC QUADRILATERAL in which: · In a circle with centre O, OD⊥ chord AB. · If (sinp,2 ​1​) and (2 ​1​c OSP)−π≤p≤π, are two POINTS on the same SIDE of the line x-y=0 then p belongs to the interval :.



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