A Rhombus is a two dimensional geometric object with four equal sides and resembles a diamond or kite shape

The opposite sides are parallel and opposite angles are equal. The two diagonals bisect each other at right angles.

It is classed as a Parallelogram.

*Angle A = 180 - Angle B*

*Angle B = 180 - Angle A*

*Altitude = sin(B) x S (Sine of Angle B multiplied by Side length)*

*Area can be calculated several ways:*

*Area = a x S (Altitude x Sides)*

*Area = S ^{2} x sin(A) (Side length squared multiplied by the sine of Angle A)*

*Area = S ^{2} x sin(B) (Side length squared multiplied by the sine of Angle B)*

*Area = (p x q)/2 (diagonal A-A (p) multiplied by diagonal B-B (q) then the result is divided by two)*

*Perimeter = 4 x S (Side length multiplied by 4)*

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