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GoGeometry Action 63!
Author:
Tim Brzezinski
Creation of this applet was inspired by a
tweet
from
Antonio Gutierrez
. Feel free to move any of the triangle's vertices anywhere you'd like.
How can we formally prove what is informally illustrated here?
GeoGebra
Quick (Silent) Demo
New Resources
Dodecahedron
alg2_05_05_04_applet_exp_fxn_flvs
alg2_05_05_01_applet_exp_flvs
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Icosahedron
Discover Resources
Dilation Terms
Law of Cosines
Vector Addition and Scaling
Incircle and Excircles
Finding Distance in the Coordinate Plane: Quick Conceptual Practice
Discover Topics
Rational Numbers
Confidence Interval
Intersection
Real Numbers
Integral Calculus