Google Classroom
Google Classroom
GeoGebra
GeoGebra Lesson
Sign in
Search
Google Classroom
Google Classroom
GeoGebra
GeoGebra Lesson
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.
GeoGebra
New Resources
Writing and Graphing Proportional Relationships (k>0)
繪畫垂直線
Linear Combination of Vectors
Squaring a Rectangle (PST Version)
Rossler's Attractor
Discover Resources
e as the Limit of a Series Demo3
Entry Pupil and viewing angle
Tiling Pentagons and Rhombi
Perigal's Proof
Kite (Scaffolded Discovery)
Discover Topics
Difference and Slope
Differential Equation
LCM and GCD
Vectors
Set Theory