Find130D C120 – InterviewSolution

1.	Find130D C120
Answer» <ACD+<ACB=180°( rethink yugm angle) <ACD= 130°( given) to 130°+ <ACB= 180°<ACB= 180°- 130°<ACB= 50°<A+<B+<ACB=180°(∆ ke tino angle ka addition) x+60°+50°=180°x+110°=180°x=70°

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