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Triangle Primaryschool
Author:
Bea Kristinsdóttir
Drag the vertices to form any shape of a triangle.
GeoGebra
As long as the vertices are not all on the same line, what you see is a triangle.
New Resources
Text with alpha background color
Portions of a Sphere
Thales' Intercept Theorem
Proving Triangles Similar by Dilation
Identify Opposite, Adjacent, Hypotenuse
Discover Resources
Create your own tessellation 2
Gildea Parallelogram definition
Periodic Functions for Web
Eddie Huang
Puzzles and games and fun stuff
Discover Topics
Secant Line or Secant
Area
Probability
Tangent Function
Surface