Search

Outline

  1. Circle Theorems
    1. Angle at the circumference versus the angle at the centre
    2. Angle at the circumference of a semi-circle
    3. Same Segment Theorem
    4. Cyclic Quadrilateral
    5. Alternate segment theorem
    6. Tangents and Radii

Circle Theorems

Author:Godfrey Almeida
Topic:Circle
Building on one circle theorem, how can you work out the majority of the others?

  • Angle at the circumference versus the angle at the centre

  • Angle at the circumference of a semi-circle

  • Same Segment Theorem

  • Cyclic Quadrilateral

  • Alternate segment theorem

  • Tangents and Radii

Next
Angle at the circumference versus the angle at the centre

New Resources

  • Hyperbolic Paraboloid
  • seo tool
  • Random Polar Curve (3)
  • bewijs stelling van Pythagoras
  • Nikmati Keunggulan Di Bandar Judi Terpercaya

Discover Resources

  • Cauchy's Argument Principle consequence
  • Honors Geometry Chapter 1
  • Transformation 8
  • Meghan_Flack_Geogebra_Quiz

Discover Topics

  • Function Graph
  • Ellipse
  • Boxplot
  • Logic
  • Symmetry
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®