Answer:
The correct option is B
B) A polygon is a pentagon if it has five sides
Explanation:
Conditional statement is a statement which relate the hypothesis and the conclusion. A simple way to identify a conditional statement is to look out for the words if, if-then, if-else which usually occur in all conditional statements.
In the given option B, the hypothesis is that "If it(polygon) has five side" and the conclusion is that "A polygon is a pentagon"