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三角形既可以按边分类也可以按角分类.当我们得到了它们的边(或角)之间的关系亦或最大角的度数时,就能据此判定出三角形的形状.笔者尝试用几种方法举例如下,让大家一起来欣赏其中所出现的“色彩缤纷”的三角形.
Triangles can be sorted by edge or by angle. When we get the relationship between their edges (or corners) or the maximum angle, we can determine the shape of the triangle. I try to use several Examples of methods are as follows. Let everyone appreciate the “colorful” triangles that appear.