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parallel lines
Author:
justin
New Resources
Linear Cross Section Exercise
Ellipse, Hyperbola and Circle as Envelopes
Stairs (Optical Illusion)
Rotating Points (Optical Illusion)
"Compressed" Astroid as Envelope
Discover Resources
Point of Concurrency of Angle Bisectors - Incenter
Triangle Inequality Example
Draw a Hexagon
Translation screensaver
cone and cylinder
Discover Topics
Median Value
Special Points
Differential Calculus
Geometric Transformations
Similar Triangles