Question

Which of the following is a true statement?
Choose one:

The floor and a wall of a room are parallel planes

The ceiling and a wall of a room are parallel planes

The floor and the ceiling of a room are parallel planes

Two adjacent walls of a room are the parallel planes

Answer 1

Which of the following is a true statement?

The floor and the ceiling are parallel planes.

Reason: The floor and ceiling do not intersect at any points. The other choices are not parallel planes because they are perpendicular to each other and intersect at a point.

Answer 2

The floor and ceiling of a room are parallel to each other because they do not intersect at any point and are equidistant.