Here we are providing the information about use of various plots as per vastu.
Square plot is that where the size of all four sides is same. If the size is any side varies within 5%, it still considered as square. Such plots are for not favored for residence, business or other purposes.
Semi Square Plots
However the length of any side is varying within 10%, such plots are also considered as square only.
In a plot if the variation in sizes is more that 10 %, it is called rectangular. Such plots are ideal for residential, shop, office, buildings, factory and the like.