Answer :
DEFINITION
rhombus is a parallelogram with four sided equal a parallelogram whose all sides are equal is called a rhombus
PROPERTIES
- all side are equal length
- each pair of opposite sides are equal
- opposite angles are equal
- diagonals of a rhombus are perpendicular bisector each other
[tex]area \: \frac{1}{2} \times product \: of \: diognal[/tex]