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

  • Squares Question
  • Congruent Figures
  • רישום חופשי
  • Function art 3D - waiting shed (v2)
  • What Do You See? (2)

Discover Resources

  • m2 chapter8 notes example 16a
  • Solving quadratic equation by graphical method
  • dilation11
  • รูปคลี่พีระมิด
  • Perspective in Art

Discover Topics

  • Hyperbola
  • Equilateral Triangles
  • Special Points
  • Perimeter
  • Sphere
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®