1.	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.	48.9 ft	B.	10.4 ft
		C.	10.6 ft	D.	235.2 ft
		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.	4.0 ft	B.	24.8 ft
		C.	7.0 ft	D.	27.8 ft
		Hint
	3.	Jessica is standing 20 feet away from a skyscraper in New York when she measures the angle of elevation to the top of the building as 88.8°. To the nearest foot, how tall is the building?
		A.	477 feet	B.	48 feet
		C.	20 feet	D.	955 feet
		Hint
	4.	Find PQ to the nearest tenth.
		A.	21.9	B.	24.4
		C.	58.9	D.	44.9
		Hint
	5.	If Crystal is standing on a 15-foot diving board, and her friend Pablo is 48 feet from the spot in the pool underneath the diving board, what is the angle of depression from Crystal to Pablo, to the nearest tenth of a degree?
		A.	1.2°	B.	72.6°
		C.	17.4°	D.	3.8°
		Hint