The Maths Habit

Circle theorems: cyclic quadrilaterals

Circle theorems · Higher · 6:48

Worksheet (PDF) Answers (PDF)

Chapters

  1. 0:00Introduction
  2. 0:22Do Now
  3. 1:07What a cyclic quadrilateral is
  4. 1:39Opposite angles add to 180°
  5. 2:29Example 1: opposite angles
  6. 3:10Example 2: with the angle at the centre
  7. 3:56Your turn
  8. 4:45Common mistake
  9. 5:34Worksheet and exit question

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