Question

In below diagram, line AB is parallel to CB.
i.e. AB∥CD
∠AGF = 68°
Find ∠EGB.

Answer 1

∠EGB= 68°

Explanation:

∠EGB= ∠AGF ( vert. opp. ∠s)

∠EGB= 68°

If 2 straight lines intersect, then the angles facing opposite each other are equal. In this case, the 2 lines are AB and EF.