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Proof Without Words
Author:
Beatrice
,
Steve Phelps
Drag the points in the sketch below. What do you notice? What does this prove? How does this prove it?
GeoGebra
New Resources
Introduction
Cross Product in 2D and 3D
Slope of a Straight Line: Run and Rise
Piano. Keyboard.
Linear Cross Section Exercise
Discover Resources
Dilations3
xy23
การบวกจำนวนเต็ม
Circumcenter
H2M 2013 P2 Q1
Discover Topics
Expected Value
Median Line
Special Points
Similarity Transformation or Similarity
Polygons