Circle theorems: tangents
Chapters
- 0:00Introduction
- 0:24Do Now
- 1:21A tangent meets the radius at 90°
- 2:16Two tangents from a point
- 2:58Example 1: a tangent and a radius
- 3:34Example 2: two tangents
- 4:30Your turn
- 5:18Common mistake
- 6:01Worksheet and exit question
Practise circle theorems for 15 minutes a day in The Maths Habit, on your phone or in your browser.