1.	The angles shown are complementary. Find the measure of .
		A.	90	B.	145
		C.	180	D.	55
		Hint
	2.	The supplement of has a measure of 105°. Find the measure of .
		A.	75	B.	90
		C.	180	D.	60
		Hint
	3.	Classify the given angle.
		A.	acute	B.	right
		C.	obtuse	D.	complementary
		Hint
	4.	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
	5.	Classify the given angle.
		A.	complementary	B.	acute
		C.	right	D.	obtuse
		Hint