Mathematics

Mathematics

Problem

Points A,B,C,A, B, C, and DD lie on a circle in this order such that AB∥CDAB \parallel CD. If ∠ADC=48∘\angle ADC = 48^\circ, determine ∠ABC\angle ABC. a) 48∘48^\circ b) 148∘148^\circ c) 96∘96^\circ d) 132∘132^\circ

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