The Geometry of Circle

wingyuen kan, 2017. 5. 10.

An investigations on the geometric theorems about circle


  • 1. Perpendicular from Centre Bisects Chord
  • 2. Equal Chord Equal Distance from Centre
  • 3. Angle at Centre and Angle at Circumference
  • 4. Angles in the Same Segment
  • 5. Equal Arcs Equal Chords Equal Angles
  • 6. Cyclic Quadrilateral
  • 7. Test for Concyclic Points (1)
  • 8. Test for Concyclic points (2)
  • 9. Tangent and Radius
  • 10. Tangent from External Point
  • 11. Angle in Alternate Segment

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Perpendicular from Centre Bisects Chord

– wingyuen kan

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정보