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Outline
NCTM 2018
Problem 2
NCTM 2018
Author:
Armando Martinez Cruz
Presentation at NCTM DC
Problem 2
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Problem 2
New Resources
Fractal Tétraèdre. Dilatation -1/2 centre triangles
The Gardener's Circle
Classifying Triangles
Sum of Squares: Proof without Words
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Discover Resources
height and median of triangles, angle bisector
ParamSimul
Flipping 2 coins
Polygon Rotation as an example of Undo
Geometry House Hunting
Escalera 3D technologies
Discover Topics
Differential Equation
Quadratic Equations
Rational Numbers
Root
Statistics