TRUE OR FALSE;

1. If two angles are supplementary and one is acute, then the other angle
is obtuse.


2. If two angles are complementary, they are both acute.


4. Congruent angles are complementary angles.


5. Supplementary angles are also linear pairs.


6. If two angles are adjacent and one angle is acute, then the other angle
is obtuse.


7. Linear pairs are also adjacent angles.


8. If two angles are linear pairs, then the sum of their measurements is
180.


9. If two angles are adjacent, then they are linear pairs.


10. If two lines are parallel, they form a right angle.​