1.	Classify the angle below.
		A.	obtuse	B.	acute
		C.	straight	D.	right
		Hint
	2.	Classify the angle whose measure is 100°.
		A.	straight	B.	right
		C.	acute	D.	obtuse
		Hint
	3.	At what time will the hands of a clock be closest to forming a straight angle?
		A.	10:10	B.	9:15
		C.	1:30	D.	7:45
		Hint
	4.	Classify the angle below.
		A.	obtuse	B.	straight
		C.	acute	D.	right
		Hint
	5.	Which angle has a measure of 90°?
		A.		B.
		C.		D.
		Hint