A rhombus looks like a slanted square, and a rhomboid looks like a slanted rectangle. Squares and rectangles of a parallelogram form four right angles.

Is a rhombus a rectangle?

The dual polygon of a rhombus is a rectangle: A rhombus has all sides equal, while a rectangle has all angles equal. A rhombus has opposite angles equal, while a rectangle has opposite sides equal. ... The diagonals of a rhombus intersect at equal angles, while the diagonals of a rectangle are equal in length.

Is a parallelogram a rectangle?

Since it has two sets of parallel sides and two pairs of opposite sides that are congruent, a rectangle has all of the properties of a parallelogram. That's why a rectangle is always a parallelogram.