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GeoGebra
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GeoGebra
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Altitudes of a triangle
Author:
Joshua Bielanski
GeoGebra
New Resources
Proving Triangles Congruent (2): One Step Transformations
task1_lightBulb
seo tool
Constructing an Inscribed Equilateral Triangle + Activities
Trophy (version 2)
Discover Resources
Exterior Angle Theorem
OL_GTphoto_MattC
Explore Rational Functions
Quadratic:Vertex Form
Discover Topics
Intersection
Vectors
Combinatorics
Median Line
Upper and Lower Sum or Riemann Sum