1:48 Key Skill - Labelling Sides of a Right-Angled Triangle
Sharp, focused UK lesson on labelling hypotenuse, opposite and adjacent relative to a given angle.
Label the sides of a right-angled triangle
Label the sides of a right-angled triange
7 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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4:47 Labelling Sides - Trigonometry in Right Angled Triangles (SOHCAHTOA) - Tutorial 1/5 - Revision
Clear tutorial establishing the three side names and introducing theta, the first step for SOHCAHTOA.
4:18 How to determine the hypotenuse, opposite, and adjacent legs of a triangle
Well-explained walkthrough of choosing hypotenuse, opposite and adjacent from the marked angle.
4:59 Identifying Sides in a Right-Angled Triangle
Eddie Woo clearly explains how to identify each side of a right-angled triangle.
6:54 Trigonometry - Right Angled Triangles - Naming the Sides | ExamSolutions
ExamSolutions gives a careful UK explanation of naming sides relative to the angle used.
8:14 Trigonometry | SOH CAH TOA | Sin, Cos, Tan
Polished UK video; the labelling section explains hypotenuse, opposite and adjacent before ratios.
Jump to 0:28Labelling Sides
24:02 Trigonometry (SOHCAHTOA) - GCSE Maths
Trusted UK teacher; opens by labelling a right-angled triangle before the trig methods.