Question

Find the value of a and b, given that p | q and r | s


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Answer 1

Answer:

2a ∘ =80 ∘ (Corresponding angles )

2a ∘ =80 ∘

⇒a= 280 ∘ =40 ∘

b ∘ +80 ∘=180 ∘

(Angles made on same side of transversal)

⇒b=180 ∘ −80 ∘

b=100 ∘