Circle theorems: chords
Chapters
- 0:00Introduction
- 0:22Do Now
- 1:19The perpendicular from the centre bisects a chord
- 2:09The right-angled triangle in a chord
- 2:50Example 1: the length of a chord
- 3:32Example 2: an angle
- 4:24Your turn
- 5:13Common mistake
- 5:51Worksheet and exit question
Practise circle theorems for 15 minutes a day in The Maths Habit, on your phone or in your browser.