Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Lesson

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

  • Basic and Compound Inequality Illustrator
  • Squaring a Rectangle (PST Version)
  • Right Triangle Inscribed in a Semicircle
  • Building Algebra Tile Models for Trinomials
  • Segment Addition Postulate (Mild Questions)

Discover Resources

  • Truss structures
  • grade 6
  • estimate pi
  • Theorem of Thales
  • การบวกจำนวนเต็ม

Discover Topics

  • Rhombus
  • Correlation
  • Poisson Distribution
  • Fractal Geometry
  • 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®