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

    • Taylor Error Bound
    • z`]]
    • Random Polar Curve (1)
    • AI for worksheet development
    • Limaçons

    Discover Resources

    • Curso Más allá del Aula
    • testPDFExport
    • 給錐體一個名字 2
    • Area of a rectangle
    • Fibonacci & Art
    • שעון חול מים

    Discover Topics

    • Quadratic Functions
    • Functions
    • Scatter Plot
    • Equations
    • Rectangle
    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®