rhombus
A rhombus
(plural rhombi, or rhombuses)
is a quadrilateral
with its four sides equal.
A square is a rhombus,
but a rhombus need not be a square,
since the angles need not all be equal.
Every rhombus is, however, a parallelogram
.
In any rhombus, the diagonals are always perpendicular
.
A nice result following from this,
is that joining the midpoints
of the sides, always gives a rectangle
.
If D and d are the lengths of the diagonals, then the area of the rhombus is
| Dd2. |
| Title | rhombus |
| Canonical name | Rhombus |
| Date of creation | 2013-03-22 12:02:38 |
| Last modified on | 2013-03-22 12:02:38 |
| Owner | yark (2760) |
| Last modified by | yark (2760) |
| Numerical id | 14 |
| Author | yark (2760) |
| Entry type | Definition |
| Classification | msc 51-00 |
| Related topic | Quadrilateral |
| Related topic | Parallelogram |
| Related topic | Rectangle |
| Related topic | Square |
| Related topic | ParallelogramLaw |
| Related topic | Kite |
| Defines | rhombi |
| Defines | rhombuses |