Question

lWhich two statements form the following biconditional? "

Answer 1

Two angles are congruent if and only if they have the same measure."

If two angles are congruent, then the sum of their measures is twice the measure of one of the angles. The two angles have the same measure.
If two angles are congruent, then they have the same measure. These angles are congruent.
If two angles are congruent, then they have the same measure. If two angles have the same measure, then they are congruent.
If two angles have the same measure, then they are congruent. If two angles add up to 180 degrees, then they are