Question

Determine a distância entre dois pontos
(1,1) (4,5) resolucao​

Answer 1

D=$\sqrt[]{(x-xo)^{2}+(y-yo)^{2}}$

D=$\sqrt{(4-1)^{2} +(5-1)^{2} } = \sqrt{3^{2} +4^{2} }=\sqrt{9+16}  =\sqrt{25}=5$