1.	Change -120° to radian measure in terms of .
		A.		B.	-
		C.		D.	-
		Hint
	2.	Change radians to degree measure.
		A.	145°	B.	-145°
		C.	-135°	D.	135°
		Hint
	3.	Evaluate tan .
		A.	-	B.
		C.		D.	-
		Hint
	4.	Given a central angle of 105°, find the length of its intercepted arc in a circle of radius 6 centimeters. Round to the nearest tenth.
		A.	10.4 cm	B.	22.0 cm
		C.	5.2 cm	D.	11.0 cm
		Hint
	5.	The diameter of a circle is 18 inches. If a central angle measures 64°, find the length of the intercepted arc.
		A.	about 18.2 in.	B.	about 10.1 in.
		C.	about 20.1 in.	D.	about 14.6 in.
		Hint