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Observe2

Author:3PLearning

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The Geometry of the Coefficients of a Quadratic Function
z`]]
Row and Column Views of Systems of Linear Equations
Fractal Tétraèdre. Dilatation -1/2 centre triangles
Tracing an Ellipse Using Two Circles

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Exploring Sine and Cosine Ratios
LU3.2 Q2 new2
All you need is..
Second
Example 2 of Applet in which 6 moving points in three-dimensional space "induce" 14 geometric medians on a sphere.

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Orthocenter
Square
Tree Diagrams
Perimeter
Triangles

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