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प्रश्न
In the given figure, state which pair of lines are parallel. Give reason.
बेरीज
उत्तर
We have,
∠1 = 120° ......[Vertically opposite angles]
Now, 60° + ∠1 = 60° + 120° = 180° and these angles are interior angles on the same side of transversal l.
Thus, m || n as the sum of co-interior angles is 180°.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Lines and Angles - Exercise [पृष्ठ १४९]
