MATHEMATICS · Single correct · CBSE · Mathematics · Lines and Angles · Lines and Angles
Problem
Two parallel roads AB and CD are crossed by road EF. If the angle between EF and AB on the left side of EF is 110∘, calculate the measure of the interior angle formed between EF and CD on the same side of EF.
(a) 80°
(b) 110°
(c) 70°
(d) 130°