InterviewSolution
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InterviewSolution
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□ABCD is a parallelogram and BC is extended. If ∠A = 40° then ∠DCE =A) 40° B) 140°C) 50° D) 60° |
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Answer» Correct option is (A) 40° \(\because\) ABCD is a parallelogram. \(\therefore\) AB || DC \(\therefore\) \(\angle DCE=\angle ABC\) \((\because\) \(\angle DCE\;and\;\angle ABC\) are corresponding angles as AB || DE) \(\Rightarrow\) \(\angle DCE=40^\circ\) \((\because\) \(\angle ABC=40^\circ)\) Correct option is A) 40° |
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