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Altitudes of a triangle
Author:
Zoltán Kovács
Check whether the altitudes of a triangle are concurrent. Use the Relation tool.
Discover Resources
Notes 11/13/15
Slopes of the Secant
puzzel
Inclined Plane Slider Construct
Triangle\
New Resources
Vivek_Circles and Rectangles
Invariants DEMO
Sebastian_Geogebra Hwk 10/15
Graph Overlay
Invariants Warm Up
