Class 9 Ex 6.1 Q1, Q2, Q3, Q4, Q5, Q6 (Lines and Angles), Ncert Book, CBSE, Explained in Hindi

Class 9 Ex 6.1 Q1, Q2, Q3, Q4, Q5, Q6 (Lines and Angles), Ncert Book, CBSE, Explained in Hindi Class 9, Maths Chapter-6 Lines and Angles NCERT Book, CBSE Board 1. In Fig. 6.13, lines AB and CD intersect at O. If ∠ AOC + ∠ BOE = 70° and ∠ B