关于周界中点三角形的两个不等式３５００１５福州二十四中杨学枝如果三角形一边上的一点和这边所对的顶点把三角形的周长二等分，我们称这一点为三角形的周界中点，并将以三个周界中点为顶点的三角形称为周界中点三角形．对于周界中点三角形，笔者得到以下两个有趣不等式... About two inequalities of the midpoint triangle of the perimeter 350015 Fuzhou twenty-four Zhongxuexuezhi If the point on the triangle side and the vertex on the side bisect the perimeter of the triangle, we call this point the midpoint of the perimeter of the triangle and will use The triangles with vertices in the middle of the three perimeters are called perimeter midpoint triangles. For the perimeter midpoint triangle, the author gets the following two interesting inequalities...