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Triangle, Surfaces
Author:
Sarah Crofford
Topic:
Surface
GeoGebra
New Resources
Angles and Intersecting Lines: Quick Investigation
Play C3 E3 G3 C4_C4
Ellipse, Hyperbola and Circle as Envelopes
Napoleon's Theorem
Rotating Points (Optical Illusion)
Discover Resources
Euclid's Fifth Proposition in the Poincaré Disk
CCGPS CA 2.2.2 Example 3
A Circle Tangent to Two Circles and a Line (Inversion)
page 435
Alternate Interior Angles Theorem (V1)
Discover Topics
Arithmetic
Pyramid
Rectangle
Variance
Angles