Alert: You are not allowed to copy content or view source
Check Olympiad Exam Dates here | Buy Practice Papers for CREST Olympiads here | Individual Registration will close soon on CREST Olympiads. Apply now | Login here to participate in all India free mock test on every Saturday

Vertically opposite angles

Vertically Opposite Angles The angles opposite each other when two lines cross. They are always equal. In this example a? and b? are vertically opposite angles. "Vertical" refers to the vertex (where they cross), NOT up/down.