1.	Classify the angle below.
		A.	straight	B.	right
		C.	acute	D.	obtuse
		Hint
	2.	Classify the angle whose measure is 100°.
		A.	right	B.	acute
		C.	obtuse	D.	straight
		Hint
	3.	Classify the angle below.
		A.	obtuse	B.	straight
		C.	right	D.	acute
		Hint
	4.	Which angle has a measure of 128°?
		A.		B.
		C.		D.
		Hint
	5.	Which angle has a measure of 170°?
		A.		B.
		C.		D.
		Hint