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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]] [[quadrangle]], which is a [[polygon]] having four sides of equal length.  In non-academic contexts, its forms are called diamonds and [[square]]s.

Its area is the product of its diagonals divided by two.  Note that its diagonals are [[perpendicular]] to each other, and bisect each other.

Its area is the product of its diagonals divided by two.  Note that its diagonals are [[perpendicular]] to each other, and bisect each other.

<br><math>A=B  \times  H</math>

<br><math>A=B  \times  H</math>

[[Category:Geometry]]

[[Category:Plane Geometry]]

[[category:Mathematics]]