Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. GCSE Maths Circle Theorems
    1. Theorems
    2. Proofs

    GCSE Maths Circle Theorems

    Author:Kathryn Peake
    Topic:Circle
    GCSE Maths Circle Theorems

    Table of Contents

    • Theorems

      • Angle in a semi-circle
      • Angle at the circumference
      • Angles at the circumference
      • Cyclic quadrilateral 1
      • Cyclic quadrilateral 2
      • Tangent and radius
      • Tangents from a point
      • Alternate segment
      • Perpendicular bisector of chord
    • Proofs

      • Cyclic Quadrilateral (Proof)
      • Angle in a semi-circle (proof)
      • Alternate Segment Theorem (proof)
    Next
    Angle in a semi-circle

    New Resources

    • Pathway to Proof: Triangle Angles
    • Publish app "Public" test
    • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
    • အခြေခံ data အခေါ်အဝေါ်များ
    • Rolling Circles and Polygons

    Discover Resources

    • Phasor Diagram - RL Series Circuit
    • Slope Intro
    • Graphical and numerical CAS solution of Intersection of two Parametric Curves via intersections corresponding Implicit Curves
    • F5.2
    • 獨立鑽石棋(孔明棋)法式(歐式)盤面 Peg solitaire French (European) style, 37 holes

    Discover Topics

    • Vectors 3D (Three-Dimensional)
    • Combinatorics
    • Diagrams
    • Function Graph
    • Integral Calculus
    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®