Circle Theorem: Online IGCSE Math Class

Important theorems for circle. The properties of processes provide an understanding of angles generated in the coils. Here are the 8 theorems

  • Alternate segment circle theorem.
  • The angle at the centre circle theorem.
  • Angles in the same segment circle theorem.
  • Angle in a semi-circle theorem.
  • Chord circle theorem.
  • Tangent circle theorem.
  • Cyclic quadrilateral circle theorem.

 A bit of history of the Circle of Theorems
First Theorem was discovered by Thales around d650BC in the Book III of Euclid.


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