The incircle and an excircle

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• 8 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. The line from the centre to a chord
2. Two chords that cross
3. A tangent meets the radius
4. The two tangents from one point
5. Drawing the tangents
6. A tangent and a secant
7. Two secants from one point
8. The alternate segment
9. A direct common tangent
10. A transverse common tangent
11. When two circles touch
12. The circle through three vertices
13. The incircle and an excircle
14. Centroid and orthocentre