Respostas

2013-09-12T15:07:10-03:00
A) M AB de (1,7) e (11,3)  ===> 
(1 + 11)/2 = 6 ==> (7 + 3 )/2  = 10/2 =  5 ==> o ponto médio de AB = (6,5)

b) M AB  de (11,3) e (-4,-1) ==> 
[11+(-4)]/2,  [3+(-1)] : 2  = (7/2, 2/2) = (7/2, 1)

c) M AB de (


1 5 1