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

Altitudes of Triangles

Author:Mark Catalfano
Topic:Triangles

New Resources

  • How to Draw a Cube in 2D
  • Thales' Intercept Theorem
  • Proving Triangles Similar by Dilation
  • Right Triangle Trig Ratios: sin, cos, tan
  • רישום חופשי

Discover Resources

  • Leah and Nicole's House of Awesomeness Floor #1
  • PracticeProject_HaileySkorik
  • TriEq_1
  • Conditions for congruent triangles (RHS)
  • Inequalities in Standard Form (Illustrator)

Discover Topics

  • LCM and GCD
  • Vectors 2D (Two-Dimensional)
  • Straight Lines
  • Intersection
  • Kite
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®