A rhombus is a type of parallelogram, and what distinguishes its shape is that all four of its sides are congruent.

There are several formulas for the rhombus that have to do with its

- Sides(click for more detail)
- all 4 sides are congruent

- Angles(click for more detail)
- diagonals bisect vertex angles

- Diagonals(click for more detail)
- diagonals are perpendicular

- Area (click for more detail)

A square is a rhombus and a rectangle. In other words, if each angle of a rhombus is 90°, then it's a square.

Probably the most famous rhombus out there is the baseball diamond. The distance between each base is the same, making the shape a rhombus!

### Rhombus Sides

All sides of a Rhombus are congruent.

AB BC CD AD### Rhombus **Practice** Problems

Since this shape is a rhombus you can set any of its sides equal to each other.