Please Help!!!
Which statement represents the biconditional statement of the conditional statements?
If the measures of two angles have a sum of 180º, then the angles are supplements.
If two angles are supplements, then their measures have a sum of 180º.
A. The measures of two angles have a sum of 180º if and only if the angles are supplements.
B. The measures of two angles do not have a sum of 180º if and only if the angles are supplements.
C. The measures of two angles do not have a sum of 180º if and only if the angles are not supplements.
D. The measures of two angles have a sum of 180º if and only if the angles are not supplements.
