In the given figure straight lines AB and CD intersect at O. If ∠AOC = Φ, ∠BOC = θ and θ = 3Φ, then=?
A. 30°
B. 40°
C. 45°
D. 60°
Answer:C
In the given figure straight lines AB and CD intersect at O. If ∠AOC = Φ, ∠BOC = θ and θ = 3Φ, then=?
A. 30° B. 40° C. 45° D. 60°