In the given figure AB ∥ CD, if ∠ABO = 130° and ∠OCD = 1100, then ∠BOC =?
A. 50°
B. 60°
C. 70°
D. 80°
Answer:B
In the given figure AB ∥ CD, if ∠ABO = 130° and ∠OCD = 1100, then ∠BOC =?
A. 50° B. 60° C. 70° D. 80°