If lines l || m are intersected by lines n || o and ∠1=34∘ then what is ∠8′?
146
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Solution
The correct option is A 146 It can be observed, ∠1 + ∠2 = 180∘ ⇒ 34∘ + ∠2 = 180∘ ⇒∠2 = 146∘
Also, ∠2=∠8
[Exterior alternate angles are equal]
And ∠8=∠8′
[Corresponding angles are equal]
So, ∠2=∠8′ ∴∠8′=146∘