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What Shapes?
Author:
John Ulbright
Topic:
Geometry
This uses the simple definition of a polygon. Note that you can "trick" this by overlapping points in certain ways, so keep an eye on what conclusions students are making!
GeoGebra
New Resources
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Poorly Drawn Parallelograms
alg2_05_05_01_applet_exp_flvs
Average Rate of Change: Graph a Function (1)
Exploring Simple Loci 探究簡單軌跡
Discover Resources
symetrie
RECO3
ISB (KERR): Rotation -- Coordinate Plane
Dyme - A 4.1
Dilation Template
Discover Topics
Sequences and Series
Logic
Planes
Differential Calculus
Difference and Slope