MATHEMATICS · Single correct · CBSE · Mathematics · Lines and Angles · Lines and Angles
Problem
Lines ℓ and m are cut by a transversal t. If ∠1 and ∠2 are alternate interior angles and ∠1=∠2=75∘, what can you conclude about the relationship between ℓ and m?
(a) ℓ⊥m
(b) No unique relationship can be concluded between ℓ and m
(c) ℓ∥m
(d) t∥ℓ