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Proof Without Words
Author:
Alessio Raimondi
,
Steve Phelps
Topic:
Geometry
,
Pythagoras or Pythagorean Theorem
Drag the points in the sketch below. What do you notice? What does this prove? How does this prove it?
GeoGebra
New Resources
alg2_05_05_01_applet_exp_2_flvs
Blancmange curve (fractal)
Icosahedron
Tutorial: Create lists of numbers and objects
Quiz: Finding Average Rate of Change
Discover Resources
I am Charlie
Two Parallel Reflections
Happy Holidays
Definition of a Circle
Open Middle: Pythagorean Theorem (3)
Discover Topics
Subtraction
Bar Chart or Bar Graph
Conditional Probability
Cone
Reflection