直角三角形ABC、等腰三角形A’BC和钝角三角形A“BC住在一起(图1),平时相安无事,这天,为了住房面积的大小忽然吵了起来。他们都说自己的面积最大。直角三角形认为自己有一只角是直角,是个特殊的三角形,直角边可以当高,不仅使用方便,而且面积自然最大。钝角三角形大声嚷着:”我的一只角是钝角,比你直角还大呢!所以我的面积最大!“等腰三角形也 Right angle triangle ABC, isosceles triangle A’BC and obtuse triangle A ”BC live together (Figure 1), usually no problem, that day, in order to size of the housing area all of a sudden noisy up and they say their area is the largest Right triangle Think of yourself as having a corner at a right angle, a special triangle, a right angle that can be as tall as not only easy to use, but also with the largest area of ​​natural obtuse triangle shouting: “One of my corners is an obtuse angle, Also big! So my area is the largest! ”Isometric triangle also