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Sum of angle of triangle is 180
Author:
mahendra
Topic:
Triangles
Moove the slider and check
GeoGebra
Moove any point of triangle and check
New Resources
alg2_05_05_01_slider_practice_flvs
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Icosahedron1
alg2_05_05_04_applet_exp_fxn_flvs
alg2_05_05_01_applet_exp_2_flvs
Discover Resources
Angle Relationships
Five Circles Theorem
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Rotation of a point about a fixed point O(center of rotation)
GeoGebra News - March 2021
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Numbers
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