Answer:
1. CONDITIONAL : If it rains, then they cancel school.
CONVERSE : If they cancel school, then it rains.
INVERSE : If it does not rain, then they do not cancel school.
CONTRAPOSITIVE : If they do not cancel school, then it does not rain.
2. CONDITIONAL : If two angles are congruent, then they have the same measure.
CONVERSE : If two angles have the same measure, then they are congruent.
INVERSE : If two angles are not congruent, then they do not have the same measure.
CONTRAPOSITIVE : If two angles do not have the same measure, then they are not congruent.
3. CONDITIONAL : If two angles have the same measure, then they are congruent.
CONVERSE : If two angles are congruent, then they have the same measure.
INVERSE : If two angles do not have the same measure, then they are not congruent.
CONTRAPOSITIVE : If two angles are not congruent, then they do not have the same measure.
