1.	The diameter of a circle is 8. What is the radius?
		A.		B.	4
		C.	16	D.
		Hint
	2.
		A.	24.6	B.	12.3
		C.	7.8	D.	1.6
		Hint
	3.	In the figure below, is a diameter of the circle. If US = 9, find SV.
		A.	18	B.	9
		C.	4.5	D.	27
		Hint
	4.	is a diameter. Find .
		A.	270	B.	360
		C.	90	D.	180
		Hint
	5.	In the figure, the line is ____ the circle.
		A.	circumscribed about	B.	a secant of
		C.	a tangent of	D.	inscribed in
		Hint
	6.	Find the value of x.
		A.	30.5	B.	8
		C.	45	D.	180
		Hint
	7.	Find the value of x.
		A.	5	B.	20
		C.	0.8	D.	8
		Hint
	8.
		A.	8.3	B.	7.1
		C.	9.6	D.	12.2
		Hint
	9.	Find the exact circumference of the circle in the figure.
		A.	4.25	B.	17
		C.	17	D.	8.5
		Hint
	10.	In the figure, , and . If MP = 7, then PQ = ____.
		A.	7	B.	24
		C.	14	D.	25
		Hint
	11.
		A.	46	B.	11.5
		C.	32	D.	23
		Hint
	12.	The figure shows a quadrilateral circumscribed about a circle. Find the value of x.
		A.	28	B.	30
		C.	34	D.	32
		Hint
	13.	The center of the circle with equation (x + 4)2 + (y + 15) 2 = 49 has coordinates ________.
		A.	(-4, 15)	B.	(-4, -15)
		C.	(4, -15)	D.	(4, 15)
		Hint
	14.	Find the diameter of the circle with equation (x + 8) 2 + (y - 9) 2 = 121.
		A.	22	B.	11
		C.	121	D.	17
		Hint
	15.	In J, is a diameter with JL = 18 and m = 140. Find the length of .
		A.	44.0	B.	113.1
		C.	6.3	D.	12.6
		Hint
	16.	is tangent to C. Find x.
		A.		B.	12
		C.	6	D.
		Hint