2
3 pairs
Cuboid or cube
none of them. The cube has parallel and perpendicular and os does the cuboid.
A cuboid has 12 straight edges.
4 parallel edges
2
4
Yes, a cuboid does have parallel edges. In a cuboid, all pairs of opposite edges are parallel to each other. Additionally, the opposite faces of a cuboid are also parallel to each other.
3 pairs
3 pairs
Three.
12
21
A cuboid has 3 pairs of parallel faces.
Three.
I'm pretty sure it is 12 pairs of parallel lines.