An Irrational Triangle

xxx xxxx xx xxxxxxxxx xxxxxx xx xxxx xxxxxxx. xx xxx xxxxxxxxx, xxx xxx xxxxxx xxx xxxxxxxx \((x,x,x)\) xx xxx xxxxxxxx xxx xxxxxxx \(x\) xx \(x+x-x\), xxxxxxx xxx xxxxx xxx xxxxxxxx xxxxxxxxx. xxxxxxxx xxxx \(\{x,x,\xxxx{x}\}\), xxx xxx xxxxxx \(\{\xxxx{x}-x,\xxxx{x}+x,x\}\) xxxxx xxxxxxxx xxxx xxxxxxxxxx? xxxxxxx xxxx xxxxxx.