Asap study island explanation

what is the inverse of the statement below?

[if the perimeter of a square is 20cm, then its area is 25cm2.]

a) if the perimeter of a square is not 20cm, then its area is not 25cm2

b) if the perimeter of a square is not 20cm, then its area is 25cm2.

c) if the area of a square is not 25cm2, then its perimeter is not 20cm.

d) if the area of a square is 25cm2, then its perimeter is 20cm.