Online Calculators since 2009
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 = S2 x sin(A) (Side length squared multiplied by the sine of Angle A)
Area = S2 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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