Question

Which of the following statements is the contrapositive of "If a polygon has four sides, then it is called a quadrilateral."?

• A. If a polygon is called a quadrilateral, then it has four sides.
• B. If a polygon is not called a quadrilateral, then it does not have four sides
• C. If a polygon does not have four sides, then it is not called a quadrilateral.
• D. None of these

Answer 1

The correct option is B If a polygon is not called a quadrilateral, then it does not have four sides

Contrapositive will switch if and then and also add not to both parts.
Option B is correct.