Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Lesson
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Proof of equal tangents to a circle

Author:Nicola Trubridge, Michael Borcherds
Topic:Circle

New Resources

  • Squaring a Rectangle (PST Version)
  • 繪畫垂直線
  • Function art 3D - waiting shed
  • Writing and Graphing Proportional Relationships (k>0)
  • Right Triangle Inscribed in a Semicircle

Discover Resources

  • Sine Graphs: y = k + A sin(Bx + C)
  • Quadrant I Rotation
  • Teorema 2
  • rectangle-rich
  • Zlati rez, kvadrat, pet kotnik- POT

Discover Topics

  • Orthocenter
  • Cuboid
  • Surface
  • Parallelogram
  • Similarity Transformation or Similarity
AboutPartnersHelp Centre
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®