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