Circle Theorems

Ben Sparks, Lorena Amomoy, 13/1/2024

All 8 circle theorems discussed at GCSE maths. Interactive.


  • 1. Angle at the centre
  • 2. Angles in the same segment
  • 3. Angle in a semicircle
  • 4. Cyclic quadrilaterals
  • 5. Alternate Segment
  • 6. Chord bisector
  • 7. Tangent and radius
  • 8. Tangent lengths

1.

Angle at the centre

– Ben Sparks

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