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GeoGebra Lesson
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GeoGebra Lesson
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Lesson 16
Author:
Cera Clark
What angle(s) of rotation give symmetry for the equilateral triangle?
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Regular Pentagon
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Parallelogram
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Square
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Rectangle
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New Resources
繪畫垂直線
Marion's Theorem
Rotating Custom Polygons Around an Axis
Squaring a Rectangle (PST Version)
Perpendicular Lines: Quick Exploration
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ASA Triangle Congruence
Quadrature of the Parabola
tangent-circles
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Quiz - Find The Slope of linear function
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Trigonometry
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Perimeter
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