Which two angles are supplementary?
Three lines AB, CD, and EF interesect each other at O. If ∠AOE=30∘ and ∠DOB=40∘, find ∠COF.
In the given figure, three lines AB, CD and EF intersect at a point O such that ∠AOE=35∘ and ∠BOD=40∘. Find the measure of ∠AOC,∠BOF,∠COF and ∠DOE.
Question 94
Three lines AB, CD and EF interesect each other at O. If ∠AOE=30∘ and ∠DOB=40∘ (see the figure). Find ∠COF.