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Acute, Right, or Obtuse Triangle?
Author:
Alfred Estberg
GeoGebra
New Resources
bewijs stelling van Pythagoras
Proving Triangles Similar by Dilation
Proving Triangles Similar: Multistep Transformations
Identify Opposite, Adjacent, Hypotenuse
Position Vector and Derivative Vector
Discover Resources
Geometry Sources
power drill - factoring & FOIL
Orthogonal functions
Simple vector addition
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Algebra
Conditional Probability
Angles
Division
Orthocenter