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Triangle Exterior Angle Theorem
Author:
William Richards
Move the vertices of the triangle to explore what happens to the angles.
GeoGebra
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Tube at distance of a 3D curve.
Constructing the Copy of an Angle + Angles Activities
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GeoGebra around GeoGebra
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Congruent Chords Sheet 2
Vector Basics 2D
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Right triangle Solver
The Crazy Circle Illusion: How are these dots moving? GeoGeb
Discover Topics
Parallelogram
Differential Calculus
Logarithmic Functions
Circle
Rational Numbers