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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
Droste effect draft
Graphing Logarithmic Functions
Art and Rotational Symmetry
Periodic Functions
What is an Isogonal Conjugate?
Discover Resources
E.L.E. - Imminent impact - i.e. the area of a spherical cap
TextProblem
Practice Place Values
Roll a Pair of Dice
College Algebra Transformations (Classroom)
Discover Topics
Geometric Mean
Circumcircle or Circumscribed Circle
Similarity Transformation or Similarity
Vectors 3D (Three-Dimensional)
Line Segment