Answer :
perimeter is the length of the boundary of a 2-D figure.
formulas of some 2-D figures are:
rectangle-2(l+b)
square-4s
circle-2*pie*r
formulas of some 2-D figures are:
rectangle-2(l+b)
square-4s
circle-2*pie*r
actually perimeter is the sum of the length of the sides used to make it .
eg. take a rope , make any figure from it ,so the total perimeter of the figure will be the length of the rope .
eg. take a rope , make any figure from it ,so the total perimeter of the figure will be the length of the rope .