Answer: If a figure is not a rectangle, then it is not a square.
Explanation:
The contrapositive of a statement of the form " p is q" is "If not q then not p. The contrapositive is logically equivalent to statement. It doesn't change the logic behind the statement.
Given statement: All squares are rectangles.
Therefore, the correct contrapositive statement is "If a figure is not a rectangle, then it is not a square."