Circle theorems

shane.williams


  • 1. Angles in a triangle
  • 2. Angles subtended at the centre
  • 3. Angles in the same segment
  • 4. Angles in cyclic quadrilateral
  • 5. Angle in a semi-circle
  • 6. Angle between the tangent and the radius
  • 7. Two tangents to a circle
  • 8. Alternate segment theorem

1.

Angles in a triangle
– shane.williams

2.

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3.

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5.

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6.

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