Question

one side of a square 2/a, it's perimeter is

Answer 1

length of one side = 2/a

perimeter = 4 * length of one side

= 4 * 2/a

= 8/a

Answer 2

perimeter of a square is 4a
so,
substituting a=2/a we get,
4a
=4(2/a)
=8/a