1.	is ____.
		A.	an angle of depression	B.	a right angle
		C.	an angle of elevation	D.	an obtuse angle
		Hint
	2.	Given XY = 12 and = 40°, find YZ to the nearest tenth.
		A.	7.7	B.	18.7
		C.	10.1	D.	9.2
		Hint
	3.	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.	10.6 ft	B.	235.2 ft
		C.	10.4 ft	D.	48.9 ft
		Hint
	4.	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.	27.8 ft	B.	4.0 ft
		C.	24.8 ft	D.	7.0 ft
		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.	226.9 feet	B.	37.6 feet
		C.	13 feet	D.	1.4 feet
		Hint