Question

 In the below fig, if l || m, n || p and ∠1 = 85°, find `∠`2.

Answer 1

Corresponding angles are equal

`∠`1 = `∠`3 = 85°

By using the property of co-interior angles are supplementary

`∠`2 + `∠`3 = 180°

`∠`2 + 55° = 180°

`∠`2 = 180° - 55°

`∠`2 = 95°

∴ `∠`2 = 95°