1.

In Fig, if l || m, n || p and ∠1 = 85°, find ∠2.

Answer»

Corresponding angles are equal so,

∠1 = ∠3 = 85°

By using co - interior angle property,

∠2 + ∠3 = 180°

∠2 + 85° = 180°

∠2 = 95°



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