Identify a Rhombus and square.

Each is a trapezoid with two pairs of parallel sides and no right angles

Each is a rhombus with two pairs of parallel sides and all sides the same length

Each is a square with two pairs of parallel sides and four right angles

Each is a rectangle with two pairs of parallel sides and no sides the same length

The square is the one with all sides being the same length. The rhombus is the one with opposite sides being parallel and all sides being the same length.