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Author:
Chris Lyerly
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New Resources
Linear Cross Section Exercise
Rotating Points (Optical Illusion)
Angles and Intersecting Lines: Quick Investigation
Ellipse, Hyperbola and Circle as Envelopes
Drag that Point!
Discover Resources
Sphereical trigenometry illustriation
slicing cones
Geometry Project
ALTITUDES
Finding Unknown Values in Vertical Angles
Discover Topics
Rotation
Means
Random Variables
Cosine
Function Graph