## Are all sides of a rectangle parallel?

Each pair of co-interior angles are supplementary, because two right angles add to a straight angle, so **the opposite sides of a rectangle are parallel. This means that a rectangle is a parallelogram, so: Its opposite sides are equal and parallel.**

## Where are the parallel lines in a rectangle?

Parallel sides **The opposite sides of a rectangle are parallel lines. Parallel lines always stay the same distance apart; they never meet.**

## How many sides are rectangle have?

4