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

An equilateral triangle on three lines

Author:Gerry Stahl
Construction of an equilateral triangle with a vertex on each of three parallel lines.

New Resources

  • Cartesian vs Polar
  • Rose Curve
  • အခြေခံ data အခေါ်အဝေါ်များ
  • ¿Quién llegará más lejos en el mundial?
  • רישום חופשי

Discover Resources

  • School
  • Multiplying Fractions
  • Adam_Penno_Qtr1Project_B3
  • การบวกจำนวนเต็มกับการลบจำนวนเต็ม
  • Proving Triangles Congruent: Multi Step Transformations

Discover Topics

  • Arithmetic Operations
  • Cosine
  • Logarithmic Functions
  • Scalene Triangles
  • General Quadrilateral
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®