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Dynamic Pythagorean Theorem
Author:
Ted Courant
Move the slider to see a dynamic proof of the Pythagorean Theorem
GeoGebra
Interpret the equality of areas at the beginning and end to establish the Pythagorean Theorem
New Resources
Open Middle Logarithm Exercises (1)
探究由平行線和截線所成的角
Droste effect draft
alg2_05_05_01_applet_exp_2_flvs
Droste effect
Discover Resources
Parthenon
Covering a Circle with a Regular Pentagon cut from Rectangle
foro
obama vase
مثال 1 الزوايا المحيطية
Discover Topics
Conic Sections
Root
Quadratic Equations
Geometric Transformations
Pythagoras or Pythagorean Theorem