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Proof Without Words
Author:
Steve Phelps
Topic:
Plane Figures or Shapes
,
Pythagoras or Pythagorean Theorem
Drag the points. What do you notice? What does this prove? How does this prove?
GeoGebra
New Resources
What is an Isogonal Conjugate?
What if the Exponent is an OUTPUT?
Open Middle Logarithm Exercises (1)
Art and Rotational Symmetry
Exploring Simple Loci 探究簡單軌跡
Discover Resources
Day and Night
Exploration
De-Khems Book
golden hexagons
Elementary Math (Sec 1 to 4) Applets (Shared Copy)
Discover Topics
Function Graph
Integers
Algebra
Optimization Problems
Quadrilaterals