Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Lesson

Outline

  1. Circle Theorems
    1. Circles and Angles 1
    2. Circles and Angles 2
    3. Circle Theorems - angles on the same arc
    4. Angle in a Semi-circle 1
    5. Angle in a Semi-circle 2
    6. Circle theorems - Cyclic Quadrilaterals
    7. Circle theorems - Cyclic quadrilaterals
    8. Cyclic Quadrilateral 3

Circle Theorems

Author:GreenMaths
Topic:Angles, Circle
Investigate the circle theorems and corollaries.

  • Circles and Angles 1

  • Circles and Angles 2

  • Circle Theorems - angles on the same arc

  • Angle in a Semi-circle 1

  • Angle in a Semi-circle 2

  • Circle theorems - Cyclic Quadrilaterals

  • Circle theorems - Cyclic quadrilaterals

  • Cyclic Quadrilateral 3

Next
Circles and Angles 1

New Resources

  • Midpoint Theorem (V2): Integer Solutions
  • Midpoint Theorem Questions: Mild
  • Rovnoběžnost rovin
  • Congruent Sides & Angles in △s: Exploration
  • Pythagorean Theorem: Extension Exercises

Discover Resources

  • Equilateral Triangle Part 1 Complete, turned in copy
  • Morgan Simpson-Rotations 3
  • AAS Dawn + Molli
  • CCSS ALG 3.6 Simple Composite Functions #1
  • Area of Trapezium Demonstration

Discover Topics

  • Differential Equation
  • Vectors
  • Plane Figures or Shapes
  • Numbers
  • Terms
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®