1.	is ____.
		A.	an angle of elevation	B.	an obtuse angle
		C.	a right angle	D.	an angle of depression
		Hint
	2.	The angle of depression from the top of one building to the top of a neighboring building is 12°. If the buildings are 50 feet apart, what is the difference between the heights of the buildings? Round your answer to the nearest tenth of a foot.
		A.	235.2 ft	B.	10.6 ft
		C.	10.4 ft	D.	48.9 ft
		Hint
	3.	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.	27.8 ft
		C.	24.8 ft	D.	4.0 ft
		Hint
	4.	C is ______________.
		A.	a right angle	B.	an angle of elevation
		C.	none of the other choices	D.	an angle of depression
		Hint
	5.	Find PQ to the nearest tenth.
		A.	21.9	B.	24.4
		C.	58.9	D.	44.9
		Hint