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Perpendicular line sum of an Equilateral Triangle

Author:Karen Paik

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Mondrian's Puzzle
רישום חופשי
Classifying Triangles
Building Trapezoids with Set Areas
Perimeter of Rectangle

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Mr. Harris' Algebra
Steve's musical cyclic quad with a little tessellation
MERKABA
Behold a square! 4 sides of equal length and 4 right-angles

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Piecewise Functions
Numbers
Coordinates
LCM and GCD
Step Functions

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