1.	is ____.
		A.	an angle of depression	B.	a right angle
		C.	an obtuse angle	D.	an angle of elevation
		Hint
	2.	Katie measures the angle of elevation from the ground to the top of an 18-foot-tall tree as 27°. To the nearest tenth of a foot, how far is she from the tree?
		A.	39.6 ft	B.	35.3 ft
		C.	9.2 ft	D.	20.2 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.	24.8 ft	B.	7.0 ft
		C.	4.0 ft	D.	27.8 ft
		Hint
	4.	Find PQ to the nearest tenth.
		A.	44.9	B.	24.4
		C.	21.9	D.	58.9
		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.	1.4 feet	B.	37.6 feet
		C.	13 feet	D.	226.9 feet
		Hint