Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Circle theorems
    1. Circle Theorem 4: Tangent and Radius
    2. Isosceles Triangle in a Circle (page 1)
    3. Angle in a semi-circle
    4. Common Tangents to a Circle
    5. Common Tangents to a Circle (Proof)

Circle theorems

Author:Jonathan Jackson
Topic:Circle

  • Circle Theorem 4: Tangent and Radius

  • Isosceles Triangle in a Circle (page 1)

  • Angle in a semi-circle

  • Common Tangents to a Circle

  • Common Tangents to a Circle (Proof)

Next
Circle Theorem 4: Tangent and Radius

New Resources

  • Model sferyczny - dwunastościan-dwudziestościan
  • Damped Trochoidal Curve
  • Fourier Lissajous (Mechanical)
  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
  • Model sferyczny - sześcian-ośmiościan

Discover Resources

  • Different Centres in Geometry
  • spread-sheet-basket-ball-throw
  • sumofangles
  • Maggie_Reimer_Q1project_02
  • tr1117

Discover Topics

  • Hypothesis Testing
  • Standard Deviation
  • Piecewise Functions
  • Continuity
  • Parallelogram
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®