1.

In the below fig, ∠1 = 60° and ∠2 = ( 2/3 )rd of a right angle. Prove that l || m.

Answer»

Given:

∠1 = 60° and ∠2 = ( 2/3 )rd of a right angle.

To prove: parallel to m

Proof ∠1 = 60°

∠1 = 2/3 x 90o = 60o

∠1 = ∠2 = 60o

Parallel to m as pair of corresponding angles are equal.



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