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The Orthocenter of a Triangle
Author:
mepetrescu
Topic:
Orthocenter
The orthocenter of a triangle is the intersection of its three altitudes (heights).
GeoGebra
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van Aubel's Theorem
"Compressed" Astroid as Envelope
Rotating Points (Optical Illusion)
Bottema's Theorem
Slope of a Straight Line: Run and Rise
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GM segment-segment
Graphs of Sine and Cosine from Unit Circle for One Period
equation of a line
การแยกตัวประกอบของพหุนามกำลังสอง
Coeficientes de uma função quadrática
Discover Topics
Natural Numbers
Pie Chart or Circle Chart
Indefinite Integral
Root
Intersection