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

Perpendicular Lines and Slopes

Author:Kevin Tobe

New Resources

  • How to Draw a Cube in 2D
  • Portions of a Sphere
  • Identify Opposite, Adjacent, Hypotenuse
  • Thales' Intercept Theorem
  • Folding door

Discover Resources

  • Unit 1 Test - Question 9
  • Class10_Introduction to Trigonometry_Experiment17
  • From any point on the directrix the two tangents to the parabola intersect at a right angle
  • Translations Discovery Activity
  • Mass, Volume, and Density

Discover Topics

  • Limits
  • Stochastic Process or Random Process
  • Function Graph
  • Trigonometry
  • Vectors 3D (Three-Dimensional)
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®