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直角三角形是一种特殊的三角形,它具有许多重要的性质,特别是勾股定理在解题中有着极其广泛的应用.有许多问题,若能根据题设和图形特征,添加适当的辅助线,巧妙构
A right triangle is a special kind of triangle. It has many important properties. In particular, the Pythagorean theorem has extremely wide application in solving problems. There are many problems. If you can add appropriate auxiliary lines according to the title design and graphic features, Ingenious