8:27 GCSE Maths - 5 Angle Rules to Know (2026/27 exams)
Cognito's clear run-through of the five key angle rules, including straight line and around a point.
Angles facts - vertically opposite, straight line, around a point
Identify angles that are vertically opposite, on a straight line and around a point and derive facts about these
3 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.
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3:51 Vertically Opposite Angles - Corbettmaths
Corbettmaths clearly shows what vertically opposite angles are and how to use them.
8:12 G3a Angles at a point, angles at a point on a straight line, vertically opposite angles
BossMaths covers all three facts: point, straight line and vertically opposite angles.