How are a rectangle and parallelogram alike?

Answer 1

Similarities:

Four Sides

Opposite Sides are of equal length and parallel

Differences

All angles of a rectangle are 90 degrees while the parallelogram has angles which are supplementary (add up to 180 degrees).

All rectangles are parallelograms while not all parallelograms are rectangles.

Answer 2

Their opposite sides are parallel and of the same length. A rectangle is distinguished by the fact that all of it's angles are all 90°.

Answer 3

There both quaderatrils and both have 4 sides, angles