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V8 Proof Without Words
Author:
ablinstein
,
Steve Phelps
Drag the points. What do you notice? What does this prove? How does this prove it?
GeoGebra
New Resources
רישום חופשי
Calendar Puzzle
apec
Balls in an Urn
探究長方形對角線上的正方形數目
Discover Resources
proof
CER: Properties of Parallelograms
Integer area
Rectangles, Rhombus, Squares
Discover Topics
Rectangle
Expected Value
Arithmetic Operations
Cone
Pie Chart or Circle Chart