Which statement represents the biconditional statement of the conditional statements?
If the measures of two angles have a sum of 90º, then the angles are complements.
If two angles are complements, then their measures have a sum of 90º.
The measures of two angles do not have a sum of 90º if and only if the angles are complements.
The measures of two angles have a sum of 90º if and only if the angles are complements.
The measures of two angles do not have a sum of 90º if and only if the angles are not complements.
The measures of two angles have a sum of 90º if and only if the angles are not complements.
