A trapezoid is a quadrilateral with at least one pair of parallel sides (called bases), while a rhombus must have two pairs of parallel sides (it is a special case of a parallelogram). The second difference is that the sides of a rhombus are all equal, while a trapezoid may have all 4 sides of a different length. read more
Diamond, Rhombus vs Trapezoid Diamond, Rhombus, and Trapezoid are all quadrilaterals, which are polygons with four sides. While rhombus and trapezium are properly defined in mathematics, diamond (or diamond shape) is a layman’s term for rhombus. read more
The difference between a rhombus and a trapezoid is one has two pairs of parallel lines and the other has one pair of parallel lines. read more