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Investigation of the sum of angles in a triangle
Author:
Jan Manders
Topic:
Angles
Points A, B, C and sliders can be moved. Get an idea?
GeoGebra
New Resources
cylinder net slider
Ellipse as Envelope - Correspondence Method
Slope of a Straight Line: Run and Rise
"Compressed" Astroid as Envelope
Cross Product in 2D and 3D
Discover Resources
vogel_2.ggb
Sine and Cosine graphs
stretch 3
rotation & enlargement
Crisantos.Maia_Reflection Across X-Axis
Discover Topics
Unit Circle
Addition
Triangles
Differential Calculus
Real Numbers