1.	is ____.
		A.	an angle of depression	B.	an angle of elevation
		C.	a right angle	D.	an obtuse angle
		Hint
	2.	Caving While surveying Overlook Cave, Mike measures the angle of elevation from his line of sight to the top of a rock formation as 22°. The rock formation is 10 feet away and he is measuring from a point 3 feet above the floor of the cave. To the nearest tenth of a foot, how high is the rock formation?
		A.	7.0 ft	B.	24.8 ft
		C.	27.8 ft	D.	4.0 ft
		Hint
	3.	C is ______________.
		A.	none of the other choices	B.	an angle of depression
		C.	an angle of elevation	D.	a right angle
		Hint
	4.	Find PQ to the nearest tenth.
		A.	44.9	B.	21.9
		C.	58.9	D.	24.4
		Hint
	5.	Raini is standing on a 40-foot cliff overlooking a river. The angle of depression to the near side of the river is 64°, and the angle of depression to the far side is 35°. How wide is the river, to the nearest tenth of a foot?
		A.	13 feet	B.	37.6 feet
		C.	226.9 feet	D.	1.4 feet
		Hint