Supplement of 1200 = 600So the transversal l meets the line m and n forming an angle of 600 on the same side of transversalTherefore this two angles are corresponding pairsHence m and n are parallel

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Q. 1094.7( 3 Votes )

In Fig. 5.62, sta

Class 7th NCERT - Exemplar Mathematics 5. Lines and Angles

Answer :

Supplement of 120⁰ = 60⁰

So the transversal l meets the line m and n forming an angle of 60⁰ on the same side of transversal

Therefore this two angles are corresponding pairs

Hence m and n are parallel

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