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Outline

  1. Circle Theorems
    1. Angle at the circumference versus the angle at the centre
    2. Angle at the circumference of a semi-circle
    3. Same Segment Theorem
    4. Cyclic Quadrilateral
    5. Alternate segment theorem
    6. Tangents and Radii

Circle Theorems

Author:Godfrey Almeida
Topic:Circle
Building on one circle theorem, how can you work out the majority of the others?

  • Angle at the circumference versus the angle at the centre

  • Angle at the circumference of a semi-circle

  • Same Segment Theorem

  • Cyclic Quadrilateral

  • Alternate segment theorem

  • Tangents and Radii

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Angle at the circumference versus the angle at the centre

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