Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Circle Geometry Theorems
    1. Angle in a semi-circle
    2. Angles subtended by the same arc
    3. Angle between a tangent and a chord
    4. Angle at the centre
    5. Radius-tangent
    6. Tangents from an external point

Circle Geometry Theorems

Author:David Hemer
Topic:Circle, Geometry

  • Angle in a semi-circle

  • Angles subtended by the same arc

  • Angle between a tangent and a chord

  • Angle at the centre

  • Radius-tangent

  • Tangents from an external point

Next
Angle in a semi-circle

New Resources

  • GGB is Awesome!
  • 函數的奇偶性
  • အခြေခံ data အခေါ်အဝေါ်များ
  • Prism Drawn in 2-Point Perspective
  • רישום חופשי

Discover Resources

  • Its just about thinking
  • ejr 1 a
  • Humber Circuit Board Project
  • Choose a function
  • Symmetry: IM Geo.1.15

Discover Topics

  • Similar Triangles
  • Variance
  • Combinatorics
  • Vectors
  • Pythagoras or Pythagorean Theorem
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®