MATHEMATICS · Single correct · CBSE · Mathematics · Lines and Angles · Lines and Angles
Problem
A transversal t meets three distinct lines p, q and r at points P, Q and R respectively. On the left side of t and above each line, the angles formed are 68∘ at P, 112∘ at Q and 68∘ at R. Which pair of lines must be parallel?
(a) p∥q
(b) q∥r
(c) p∥r
(d) No two of the lines are parallel