In this paper it is proved that there exist neither right triangles nor isosceles triangles with integer sides and medians by the method of descending.
本文用逐步递降法的思想证明了不存在边长和中线都是整数的直角三角形和等腰三角形。
The middle is a very strange pattern: sharp 2 outwards, turning it from the middle of a point, it becomes a two isosceles trapezoid.
中间是一种很奇怪的图案：尖尖的两头朝外，把它从中间一分，就成了两个等腰梯形。
Click on the top right anchor point once, and using the arrows on your keyboard move it until it meets with the center point, you should end up with an isosceles triangle.
点选右上方的锚点，用键盘方向键将它移动至中心点的位置，你将得到一个等腰三角形。
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