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alexander lau

Author:joanne cowap

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繪畫垂直線
Function art 3D - waiting shed (v2)
Perpendicular Lines: Quick Exploration
Odd Function Explorer
Right Triangle Inscribed in a Semicircle

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Medians and the Centroid
Angles of a Triangle
An excircle of a triangle is externally tangent to a side of the triangle and tangent to the extensions of the other two sides. Each triangle has three excircles.
SolidVolume Disks Animation
Hình 2.4 trang 45

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Diagrams
Tree Diagrams
Set Theory
Geometric Transformations
Square

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