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角平分线与等腰三角形有着密不可分的联系.在许多几何问题中,遇到等腰三角形就会想到顶角的平分线,遇到角平分线又会想到构造等腰三角形.下面归类说明.
The angle bisector is inextricably linked with the isosceles triangle. In many geometric problems, the isosceles triangle is thought of as the bisector of the vertex, and the bisector of the angle is thought of as the isosceles triangle. .