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

  • Pitfalls of Disk/Washer Method
  • Reflection Across 2 Parallel Lines
  • apec
  • Volume by Shells Around y
  • အခြေခံ data အခေါ်အဝေါ်များ

Discover Resources

  • start, create a 135 degree angle
  • Find the missing angle
  • Triangles on the same base and between the same parallels
  • Systes of ODE with Particles 3D

Discover Topics

  • Orthocenter
  • Mathematics
  • Exponent
  • Fractions
  • Median Line
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®