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Outline

  1. Circle Theorems
    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

Circle Theorems

Author:Lorena Amomoy, Ben Sparks
All 8 circle theorems discussed at GCSE maths. Interactive.

  • Angle at the centre

  • Angles in the same segment

  • Angle in a semicircle

  • Cyclic quadrilaterals

  • Alternate Segment

  • Chord bisector

  • Tangent and radius

  • Tangent lengths

Next
Angle at the centre

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