GeoGebra
Triangles
Sum of the interior angles
Exterior angle of a triangle
Equilateral triangles
Isosceles triangles
Right-angled triangle
Triangle area (different basis)
Pythagoras
Congruent: triangles
Congruent: triangles
Triangle sides: midpoints
Points of intersection (Euler line)
GeoGebra
Triangles
Author:
Gerrit Stols
Sum of the interior angles
Exterior angle of a triangle
Equilateral triangles
Isosceles triangles
Right-angled triangle
Triangle area (different basis)
Pythagoras
Congruent: triangles
Congruent: triangles
Triangle sides: midpoints
Points of intersection (Euler line)
New Resources
Rotational Symmetry
Untitled
S3 Example 4.3
myGrapher
S3 Example 4.2
Discover Resources
رسم کمان درخور
Things from 1-3
Girl in the Mirror
Geo PS 19 #2
Chords on a Circle
Discover Topics
Equations
Division
Conic Sections
Scalene Triangles
Surface
