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GeoGebra
1. The orthocenter lies in the triangle for an acute triangle, the side for a right triangle, and the obtuse for an obtuse triangle.
New Resources
探究由平行線和截線所成的角
What if the Exponent is an OUTPUT?
Shade a spheric triangle with "surface".
alg2_05_05_01_applet_exp_flvs
Kopie von parabel - parabol
Discover Resources
Interior Of a hexagon
LancerBalle_EqDiff_v2
Forum_36306_A_CheckAnswer
Adjust the sliders to see what happens to the graph.
Electric forces between three point charges
Discover Topics
Right Triangles
Vectors
Numbers
Division
Centroid or Barycenter