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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
Question 6c
判斷錐體
Luxembourg Symbol
Colors for GeoGebra
Pythagorean Day
Discover Resources
string art with animation
תנועה לאורך קו ישר במישור במהירות קבועה
Special points in a triangle
Discover Topics
Cylinder
Prism
Quadrilaterals
Parallelogram
Conditional Probability