Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Circle Theorems
    1. Circle Theorems

    Circle Theorems

    Author:gcrtaylor
    Topic:Angles, Circle

    Circle Theorems

    Each theorem presented so generalisations can be made

    • Angle at centre is twice angle at circumference

    • Circle Theorem - Angle at the circumference from diameter

    • Tangent to Radius

    • Angles from same chord are equal

    • Cyclic Quadrilateral

    Next
    Angle at centre is twice angle at circumference

    New Resources

    • Pathway to Proof: Triangle Angles
    • bewijs stelling van Pythagoras
    • Slope Between 2 Points (Phase 2)
    • Publish app "Public" test
    • רישום חופשי

    Discover Resources

    • teststrip batterij
    • Fake patterns 2: dividing a circle into regions
    • Fun mathematics
    • Forum 2 41137 A synchronization
    • 冷氣機的銷量
    • Centroid

    Discover Topics

    • Plane Figures or Shapes
    • Constructions
    • Special Points
    • Sphere
    • Geometric Transformations
    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®