Respostas

2014-03-21T08:12:05-03:00
2014-03-21T08:28:57-03:00
xa = 7
ya = 0
xb = 1
yb = -4
xm = 7 + 1 / 2 => xm = 8 /2 => xm = 4
ym = 0 - 4 / 2 => ym = -4 / 2 => ym = -2


O ponto médio do segmento é (4,-2)
1 5 1