Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Circle Theorems
    1. 1. Angle at the centre
    2. 2 Angles in a semi-circle
    3. 3 Angles in the same segment
    4. 4 Cyclic Quadrilateral
    5. 5 Tangent
    6. 6 Alternate Segment Theory
    7. 7 Two Tangents

Circle Theorems

Author:R Alcraft
Topic:Circle

  • 1. Angle at the centre

  • 2 Angles in a semi-circle

  • 3 Angles in the same segment

  • 4 Cyclic Quadrilateral

  • 5 Tangent

  • 6 Alternate Segment Theory

  • 7 Two Tangents

Next
1. Angle at the centre

New Resources

  • The Gardener's Ellipse
  • Mondrian's Puzzle
  • z`]]
  • The Gardener's Circle
  • Rectangle Construction Template (V2)

Discover Resources

  • schnittproblem
  • Konstruksi Belah Ketupat
  • ellipsedef
  • -7/6 work
  • day 81
  • random number

Discover Topics

  • Bar Chart or Bar Graph
  • Unit Circle
  • Geometric Distribution
  • Straight Lines
  • Intersection
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®