Răspunsuri

2014-10-16T19:45:33+03:00
Aplici formula distantei:
AB= \sqrt{(xA-xB)^{2}+(yA-yB)^{2}}
In cazul tau B=O
deci xB=yB=0
AB= \sqrt{3^{2}+4^{2}} = \sqrt{25} =5