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Altitudes of a Triangle
Author:
hiet81
The Altitudes of a Triangle meet at the orthocenter. Move the points A,B, C around to see where the orthocenter can be located.
GeoGebra
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van Aubel's Theorem
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Drag that Point!
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Introduction
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Melukis segitiga sama sisi
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Equilateral Triangles
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Upper and Lower Sum or Riemann Sum
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