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A parallelogram has 2 sets of parallel sides. The opposite sides  are equal in length and opposite angles are equal. Examples of  parallelograms are squares, rectangles and â¦ rhombuses. You can find  the perimeter of a parallelogram by doubling the base+side length. 6 people found this useful.
a parallelogram is a four sided shape with opposite sides that are parallel because of the parallel lines the opposites sides are equal in length there are some unique properties of the angles inside parallelograms first the opposite angles are equal also the adjacent angles are supplementary which means they add up to 180 degrees the perimeter of this parallelogram where the sides are 4 4 5 and 5 is 18 when we have a specific type of quadrilateral like this we can determine its area the area of a parallelogram is the base times the height so in this example where the base is 7 inches and the height is whoa wait that s not the height remember the height is the distance from the base to the top so while that side is 4 inches the height is actually 3 inches