1.	Classify the angle.
		A.	right	B.	obtuse
		C.	acute	D.	complementary
		Hint
	2.	Classify the given pair of angles.
		A.	The angles are complementary angles because their measures have a sum of 180°.	B.	The angles are complementary angles because their measures have a sum of 180°.
		C.	The angles are supplementary angles because their measures have a sum of 180°.	D.	The angles are supplementary angles because their measures have a sum of 90°.
		Hint
	3.	Classify the pair of angles.
		A.	The angles are supplementary angles because their measures have a sum of 90°.	B.	The angles are complementary angles because their measures have a sum of 180°.
		C.	The angles are complementary angles because their measures have a sum of 90°.	D.	The angles are supplementary angles because their measures have a sum of 180°.
		Hint
	4.	What is the measure of the given angle?
		A.	60°	B.	120°
		C.	90°	D.	175°
		Hint
	5.	Classify the given angle.
		A.	complementary	B.	right
		C.	acute	D.	obtuse
		Hint