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

The equation of a tangent to a circle

Author:GeoGebra Institute of MEI
Topic:Circle
Vary the radius of the circle with r and drag the point P.

New Resources

  • Marion's Theorem
  • Rovnoběžnost rovin
  • Modifiable Right Triangular Prism
  • Right Triangle Inscribed in a Semicircle
  • 繪畫垂直線

Discover Resources

  • 作業3
  • Joe Hanley
  • McDougal Littel Geometry 1.1 Activity
  • Put a Circle in a Triangle
  • การบวกจำนวนเต็มบวกกับจำนวนเต็มลบ

Discover Topics

  • Stochastic Process or Random Process
  • Fractions
  • Integers
  • Upper and Lower Sum or Riemann Sum
  • Equations
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®