What is the converse of the following conditional statement?
"If two angles form a linear pair, then they are supplementary angles."
If two angles are supplementary angles, then they form a linear pair.
If two angles do not form a linear pair, then they are not supplementary angles."
If two angles are not supplementary angles, then they do not form a linear pair.
Two angles form a linear pair if and only if they are supplementary angles.