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प्रश्न
In the following figure, state which pair of lines are parallel. Give reason.
कारण बताइए
योग
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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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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Lines and Angles - Exercise [पृष्ठ १४९]
