Quadrilateral is any four-sided geometric figure.
The diagram which is given above is parallelogram which has four-sided quadrilateral with both pairs of opposite side's parallel, as shown in above figure.
The area of the parallelogram is calculated using the following formula:
A = (base) • (height) = bh
The perimeter of a parallelogram is computed using the subsequent formula:
P = 2a + 2b
An area of a parallelogram is always expressed in square units, and the perimeter of a parallelogram is always expressed in the original units.