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Triangles
Author:
c.tyson
If you move the points on the triangle, you will be able to create new angles. Every time you move them, they will still add up to 180 degrees.
GeoGebra
New Resources
van Aubel's Theorem
Isosceles Triangle: Quick Construction
Ellipse, Hyperbola and Circle as Envelopes
Piano. Keyboard.
Construct a Square
Discover Resources
Locus of a moving point and two parallel lines
sin(pi/x)
Animation 132
Untitled
Perimeter of a Rectangle
Discover Topics
Integral Calculus
Circumcircle or Circumscribed Circle
Geometry
Scatter Plot
Triangles