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GeoGebra
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Outline
Polygon Angle Measures
Triangle Interior Angle Sum
Polygon Angle Measures
Author:
John Williams
Triangle Interior Angle Sum
Triangle Sum Demonstration
Alternative Proof of the Triangle Sum
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Triangle Sum Demonstration
New Resources
van Aubel's Theorem
"Compressed" Astroid as Envelope
Rotating Points (Optical Illusion)
Slope Field (1)
Play C3 E3 G3 C4_C4
Discover Resources
Special Parallelograms
Cyclic Quadrilaterals
Square shape project
H Reflected Point
Hypocycloid
Discover Topics
Polynomial Functions
Tangent Function
Constructions
Poisson Distribution
Straight Lines