透過GeoGebra繪製成的一個直角邊長為6.5的等腰直角三角形。透過開放原始碼軟體GeoGebra繪製。
<a href="https://en.wikipedia.org/wiki/zh:User:Eyewitness_Tsai" class="extiw" title="w:zh:User:Eyewitness Tsai">Eyewitness Tsai</a> at <a href="https://en.wikipedia.org/wiki/zh:" class="extiw" title="w:zh:">Chinese Wikipedia</a>
2017-12-29
<span class="int-own-work" lang="">Own work by the original uploader</span>