Respuesta :

SASSAS
a. FE is parellel to AB
b. EG
c.DH and CG

2.Opposite angles formed by two intersecting lines are equal, so angle 1 is the same as angle 4. That means angle 1 = angle 5 as well. 
choixongdong
a)one line segment that is parallel to AB is EF
b)one line segment that is skew to AB is CG
c)parallel planes: BDHF

if m<4 = m<5 (Alternate Interior Angles )
r and s are parallel