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[[Image:Gdhytd svg.png|right|thumb|400px]]
[[Image:Gdhytd svg.png|right|thumb|400px]]
A '''rhombus''' is an equilateral quadrangle, which is a [[polygon]] having four sides of equal length. In non-academic contexts, its forms are called diamonds and [[square]]s.
A '''rhombus''' is an [[equilateral]] [[quadrilateral]], which is a [[polygon]] having four sides of equal length.
Its area is the product of its diagonals divided by two. Note that its diagonals are perpendicular to each other, and bisect each other.
A [[square]] is a [[special case]] of a rhombus where all four [[interior angle]]s are ninety degrees.
In non-academic contexts, the term diamond can be applied to a rhombus, particularly if it is oriented with one of its diagonals vertical.<ref>https://www.merriam-webster.com/dictionary/diamond sense 3</ref>
Its area is the product of its diagonals divided by two. Note that its diagonals are [[perpendicular]] to each other, and bisect each other.
In symbolic form, the area of a rhombus having diagonals of lengths D<sub>1</sub> and D<sub>2</sub> is:
In symbolic form, the area of a rhombus having diagonals of lengths D<sub>1</sub> and D<sub>2</sub> is:
<br><math>A=B \times H</math>
<br><math>A=B \times H</math>
[[Category:Geometry]]
== References ==
<references/>
[[Category:Plane Geometry]]