Angles in isosceles triangles
Chapters
- 0:00Introduction
- 0:28Do Now
- 1:11Tick marks and base angles
- 1:50Equilateral triangles
- 2:06Example 1: the top angle given
- 2:49Example 2: a base angle given
- 3:21Your turn
- 4:00Common mistake
- 4:36Worksheet and exit question
Practise angles in triangles for 15 minutes a day in The Maths Habit, on your phone or in your browser.