Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

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:Ben Sparks
Topic:Circle
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

New Resources

  • 判斷錐體
  • apec
  • z`]]
  • Nikmati Keunggulan Di Bandar Judi Terpercaya
  • Luxembourg Symbol

Discover Resources

  • Beginners Animation: Rates
  • Random Polygon with Random Colour, including JS code
  • Binomial and normal distribution
  • Problem of the climbers (reloaded)...hehehe
  • picture

Discover Topics

  • Similar Triangles
  • Correlation
  • Triangles
  • Kite
  • Parallelogram
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2025 GeoGebra®