Question

rewrite the statements as a biconditional statement. if a polygon has four sides, then it is a quadrilateral. if a polygon is a quadrilateral, then it has four sides.

Explanation:

A biconditional statement combines a conditional statement and its converse. Here, the two given statements are a conditional and its converse about polygons and quadrilaterals. We combine them using "if and only if".

Answer:

A polygon has four sides if and only if it is a quadrilateral.