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Trammel of Archimedes

Author:David Caliri

A primitive tool of antiquity that describes ellipses.

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繪畫垂直線
Isosceles Right Triangle
Writing and Graphing Proportional Relationships (k>0)
Modifiable Right Triangular Prism
Probabilities with Two-Way Tables

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Combinations of Functions
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Triangle Inequality Exploration
Measures of Spread
Dani_Altitudes

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Kite
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