Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. The Circle Theorems
    1. The basic Theorems
    2. Intermediate theorems
    3. Advanced Theorems

    The Circle Theorems

    Author:Luke
    Topic:Circle
    A discovery into the different circle theorems
    The Circle Theorems

    Table of Contents

    • The basic Theorems

      • Circle Theorem: Tangents
      • Circle Theorem: Angle in a Semi circle
      • Circle Theorem: Multiple Radii
      • Circle Theorem: Diameter and chord
    • Intermediate theorems

      • Circle Theorem: Angles at the centre
      • Circle Theorem: Angles on the same Arc
      • Circle Theorem: Cyclic Quadrilateral
      • Circle Theorem: Tangent to a circle
    • Advanced Theorems

      • Circle Theorem: intersecting secants
      • Circle Theorems: Intersecting Chords
      • Circle Theorem: two tangents
      • Circle Theorem: Alternate segment
    Next
    Circle Theorem: Tangents

    New Resources

    • Function art 3D - waiting shed (v2)
    • Quadrant Illustrator
    • Pythagorean Theorem: Quick Illustrator
    • Squares Question
    • 繪畫垂直線

    Discover Resources

    • Pythagorean to Fermat
    • locus teacher v2
    • Transform the rational function
    • Math Project
    • Bisectors Obtuse Triangle

    Discover Topics

    • Multiplication
    • Incircle or Inscribed Circle
    • Trigonometric Functions
    • Parallelogram
    • Real Numbers
    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®