Respostas

2014-03-26T14:20:34-03:00
D ab =  \sqrt{(Xb - Xa)² + (Yb -Ya)²}
D ab =  \sqrt{(5+3)² + (-14-1)²}
D ab =  \sqrt{(8)² + (-15)²}
D ab =  \sqrt{64+225}
D ab =  \sqrt{289}
D ab = 17