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Three Altitudes
Author:
Diana Braun
Click on the Check boxes to see where the 3 altitudes meet.
GeoGebra
Click and drag on a point to make the triangle acute, obtuse, and right. Where is the orthocenter located?
New Resources
Rings of circles
bearing HK
Art and Rotational Symmetry
Open Middle Logarithm Exercises (1)
alg2_05_05_01_applet_exp_flvs
Discover Resources
Coordinate Plane
Parabol construction 2
เรขาคณิตม.1
Open Box
Turner_NumericalInvariantsA
Discover Topics
Pythagoras or Pythagorean Theorem
Incircle or Inscribed Circle
Vectors
Linear Equations
Line Segment