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Mathematics, 21.07.2019 08:30 Kcloughley
Let abcd be a cyclic quadrilateral. let p be the intersection of ad and bc, and let q be the intersection of ab and cd. prove that the angle bisectors of angle dpc and angle aqd are perpendicular.
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Let abcd be a cyclic quadrilateral. let p be the intersection of ad and bc, and let q be the interse...
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