Rhombus is a quadrilateral whose all sides have the same length and opposite sides are parallel. In other words we can say that It is a parallelogram whose all sides are equal.
Diagonals of a Rhombus bisect each other at 90°
Diagonals are Angle bisector too.
Area of Rhombus:-
1/2(D1×D2) – Here D1 and D2 are Diagonals
Side of Rhombus from Diagonals:-
a = 1/2√(dia² + dia²) – Here Dia are diagonal-1 and diagonal-2
Perimeter:-
P = 4a