1.	is ____.
		A.	an obtuse angle	B.	an angle of depression
		C.	a right 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.	35.3 ft	B.	39.6 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.	27.8 ft	B.	24.8 ft
		C.	4.0 ft	D.	7.0 ft
		Hint
	4.	C is ______________.
		A.	none of the other choices	B.	a right angle
		C.	an angle of depression	D.	an angle of elevation
		Hint
	5.	ARCHITECTURE The observation deck of the John Hancock Center is 1030 feet above the ground. The Skydeck of the Sears Tower is 1335 feet above the ground. The John Hancock Center is 1.7 miles from the Sears Tower. What is the angle of elevation of someone standing on the observation deck of the John Hancock Center looking up to the Skydeck of the Sears Tower?
		A.	8.5°	B.	6.5°
		C.	37.7°	D.	1.9°
		Hint