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Similarity Triangles and Trap
Author:
Norm Prokup
Topic:
Triangles
Select either P or Q. Then move slider k from 0 to 100 percent.
GeoGebra
Consider this: Is ABCD a trapezoid, or a rectangle viewed in perspective?
New Resources
Bottema's Theorem
Rotating Points (Optical Illusion)
Ellipse, Hyperbola and Circle as Envelopes
Angles and Intersecting Lines: Quick Investigation
cylinder net slider
Discover Resources
project1
Convex
Hypothesis testing using the binomial distribution (2.05a)
Rotation in action
s62p14
Discover Topics
Arithmetic Mean
Planes
Scatter Plot
Algebra
Function Graph