In the given figure, AOB is a straight line. If ∠AOC = (∠x - 10), ∠COD = 50° and ∠BOD = (∠C + 20), then ∠AOC = ?
A. 40°
B. 60°
C. 80°
D. 50°
Answer:C
In the given figure, AOB is a straight line. If ∠AOC = (∠x - 10), ∠COD = 50° and ∠BOD = (∠C + 20), then ∠AOC = ?
A. 40° B. 60° C. 80° D. 50°