Cambridge IGCSE Mathematics
4.8Circle theorems II
Circle theorems II in Cambridge IGCSE Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic20 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 4.8.1Extended: use the symmetry properties of circles: equal chords are the same distance from the centre, the perpendicular bisector of a chord passes through the centre, and the two tangents from an external point are equal in length.
Lessons
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Symmetry properties of chords and tangents
20 min
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Sample question
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