Respuesta :

choixongdong
a)
B(-9, 6), D(3, - 2)
slope (BD) = (6+2)/(-9 - 3) = -8/12 = - 2/3

A(-5, -1), C(-1, 5)
slope (AC) = (5+1)/(-1+5) =6/4 = 3/2

b)
d(B,C) = √(-1+9)^2 + (5-6)^2
d(B,C) = √64+1
d(B,C) = √65
d(B,C) = 8.06

answer:
each side is 8.06