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常见三角形

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Topics in 常见三角形

Numbered in the order to learn them.

  1. 锐角三角形、直角三角形和钝角三角形

  2. 等腰三角形中的特殊线条

  3. Scalene, Isosceles, and Equilateral Triangles

  4. 什么是二维矢量？

  5. 一些几何不等式

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