What shape does a rectangle have compared to a trapezoid?

A rectangle is defined by having two pairs of parallel sides where opposite sides are equal in length. This characteristic sets rectangles apart from trapezoids, which generally have only one pair of parallel sides (though certain trapezoids, like isosceles trapezoids, will have additional symmetrical properties). Therefore, the defining feature of the rectangle—having both pairs of opposite sides parallel—makes the description of having two parallel sides the correct comparison to a trapezoid.