16:23 Perpendicular Lines - GCSE Higher Maths
Clear UK GCSE walkthrough of perpendicular lines and the negative-reciprocal gradient rule with worked examples.
Parallel, perpendicular and other line terminology
Identify relationships between lines (e.g. intersection, parallel, perpendicular, vertex)
5 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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18:29 Parallel and Perpendicular Lines
Full GCSE tutorial covering both parallel and perpendicular line gradient rules with examples.
5:20 GCSE Maths - Perpendicular Lines (2026/27 exams)
Concise UK GCSE video on perpendicular lines and the gradient product rule.
7:46 Math Antics - Angle Basics
Concise UK GCSE video on parallel lines and matching gradients from y = mx + c.
11:57 Writing Equations of Lines Parallel and Perpendicular to a Given Line Through a Point
Thorough lesson on parallel and perpendicular lines using slopes and negative reciprocals.