Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Circle Theorems
    1. Angle at the centre
    2. Angles in the same segment (animated)
    3. Cyclic quadrilateral
    4. Tangents to circle
    5. Radius and chord
    6. Alternate Segment Theorem

Circle Theorems

Author:Jonathan Longstaffe
Topic:Circle
The circle theorems

  • Angle at the centre

  • Angles in the same segment (animated)

  • Cyclic quadrilateral

  • Tangents to circle

  • Radius and chord

  • Alternate Segment Theorem

Next
Angle at the centre

New Resources

  • z`]]
  • bewijs stelling van Pythagoras
  • רישום חופשי
  • Parallelogram Anatomy
  • Area of a Trapezoid

Discover Resources

  • T2 ex 33
  • properties of paralleograms
  • Perpendicular Bisectors
  • Filling a Cone: dV/dt Constant versus dh/dt Constant

Discover Topics

  • Addition
  • Parametric Curves
  • Statistics
  • Means
  • Similarity Transformation or Similarity
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

© 2026 GeoGebra®