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Proof Without Words
Author:
Steve Phelps
Drag the points below. What do you notice? What does this prove? How does this prove it?
GeoGebra
New Resources
Vector Valued Functions
Snake year !
Perpetual calendar
Constructing the Angle Bisector + Practice
Constructing the Copy of an Angle + Angles Activities
Discover Resources
Simultaneous Equations:Substitution
Square of a diference
Tangent to Parabola
triangle sum
TriIsosc_5
Discover Topics
Sphere
Probability
Reflection
Logic
Step Functions