It has two pairs of equal opposite sides parallel to each other. The straight line joining the opposite corners is called its diagonal. Perimeter of the perimeter 2 times base side length Properties of a parallelogram.
2ab Where a Length of first pair b Length of second pair.
The following types of quadrilateral are 1 Square 2 Rectangle 3 Parallelogram. Perimeter of the perimeter 2 times base side length Properties of a parallelogram. A regular n-gon with each side a units long. Let P perimeter and s n a measured side.