1 rectam A rectum S
2 trianguli A om. S
3 ad rectos basi A ad rectos basi trianguli S
4 secetur A sectus S
5 rectam A rectum S
6 axem A axim S
7 recta A om. S
8 Quare, per 18am eiusdem, circulus bg erit () rectus ad triangulum abg A erecta S
9 ad rectos A ad rectos angulos S