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The perimeter of a rectangle having 1,000 units of width and 2,000 units of length is 6,000 units
2 dimensional figures just have width and length, if you were to add the height dimension it would become 3 dimensional.
A parallelogram is a plane two-dimensional geometric figure called a quadrilateral having length and width, and whose opposites are parallel and of equal length. The formulas associated with a parallelogram are: Area = length x width and Circumference = 2 x (length + width).
cube
A shape having the same dimensions of length, height and width is a cube. This can also be referred to as a square prism.