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Difference of Squares
Author:
John Golden
Topic:
Algebra
,
Square
Inspired by Mike Lawler and Son's cool snap cube investigation:
http://mikesmathpage.wordpress.com/2014/11/05/studying-the-difference-of-squares-with-snap-cubes/
GeoGebra
New Resources
bewijs stelling van Pythagoras
Regular Star Polygons
Sum of Squares: Proof without Words
Rule of Sarrus - Determinant of a 3×3 Matrix
Taylor Error Bound
Discover Resources
Simple Cubic Functions
Sin Cos and Tan animated from the unit circle
Tangram - area och omkrets
Zeros of linear functions and their product
Discover Topics
Pythagoras or Pythagorean Theorem
Geometry
Congruence
Division
Sine