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Proof Without Words
Author:
Steve Phelps
Topic:
Pythagoras or Pythagorean Theorem
Drag the points. Drag the slider. What do you notice? What does this prove? How does it prove this?
GeoGebra
New Resources
Transforming Quadratic Function Graphs: Discovery Lesson
Midpoint Coordinates: Check for Understanding
Midpoints
Non-uniform continuity of 1/x - Exploration
Quick Surface of Revolution Creator
Discover Resources
Test Figure
Calculating Horizontal Velocity
Regular Hexagon
Asymtotes of curve xy(x^2-y^2)+x^2+y^2=9
ALLEN_Labeling Objects
Discover Topics
Bar Chart or Bar Graph
Root
Difference and Slope
Geometry
Conditional Probability