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Broken Protractor
Author:
John Ulbright
Topic:
Angles
What angle measure is indicated by the red arrow? Click "more info" to refine your guess.
GeoGebra
New Resources
Chaotic behaviour
What is an Isogonal Conjugate?
Droste effect draft
Taylor Polynomial
Droste effect
Discover Resources
Tessellation #1
properties of parellelogram
POLYGON
Plane & Line
Odd Function
Discover Topics
Right Triangles
Volume
Multiplication
Inequalities
Square