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在矩形折叠问题中,根据折叠的对称性,我们一般运用勾股定理求解,当我们学习了相似三角形以后,利用相似三角形的性质为我们解决此类问题提供了新的途径,下面举例谈谈
According to the symmetry of the fold, we generally use the Pythagorean theorem to solve the rectangular fold problem. When we study the similar triangles, the use of the properties of the similar triangles provides a new way for us to solve such problems.