Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Lesson

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

    • Function Art 3D - Flower
    • Rovnoběžnost rovin
    • Parabolas, Lines and Nomograms
    • Function art 3D - waiting shed
    • Congruent Figures

    Discover Resources

    • two to the floor function integral...a cute integral
    • fgdf
    • imo1959-5
    • Test
    • Example 3

    Discover Topics

    • Intersection
    • Tangent Line or Tangent
    • Functions
    • Hypothesis Testing
    • Isosceles Triangles
    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®