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Proof Without Words
Author:
Steve Phelps
Topic:
Pythagoras or Pythagorean Theorem
Drag the points. What do you notice? What does this prove? How does this prove it?
GeoGebra
New Resources
Construct a Square
Ellipse, Hyperbola and Circle as Envelopes
Cross Product in 2D and 3D
Ellipse as Envelope - Correspondence Method
Stairs (Optical Illusion)
Discover Resources
DÜZGÜN ALTIGEN
Quiz Part 2
Volume of a Rectangular Frustum
parallelogram
สามเหลี่ยมพีทาโกรัส
Discover Topics
Step Functions
Angles
Solids or 3D Shapes
Cube
Upper and Lower Sum or Riemann Sum