1.	The diameter of a circle is 8. What is the radius?
		A.	16	B.
		C.	4	D.
		Hint
	2.	The exact circumference of a circle with a radius of 6 is ____.
		A.		B.	37.7
		C.		D.
		Hint
	3.
		A.	14	B.	80
		C.	60	D.	110
		Hint
	4.	In the figure below, is a diameter of the circle. If US = 9, find SV.
		A.	9	B.	4.5
		C.	27	D.	18
		Hint
	5.	In the figure, the segment is ____ to the circle.
		A.	inscribed	B.	interior
		C.	supplementary	D.	tangent
		Hint
	6.
		A.	5	B.	4
		C.	7	D.	6
		Hint
	7.	In the figure, the line is ____ the circle.
		A.	circumscribed about	B.	a secant of
		C.	a tangent of	D.	inscribed in
		Hint
	8.	Find the value of y.
		A.	3	B.	19
		C.	11	D.
		Hint
	9.
		A.	45	B.	Not enough information is given.
		C.	7.2	D.	135
		Hint
	10.
		A.	32	B.	23
		C.	46	D.	11.5
		Hint
	11.	If is a diameter of the circle, MR = 12, and the circle has radius 10, then find NM.
		A.	8	B.	4
		C.	6.6	D.	16
		Hint
	12.	Find the value of z.
		A.	9	B.	10
		C.	15	D.	11
		Hint
	13.	Find the value of x.
		A.	7.5	B.	12
		C.	3	D.	6
		Hint
	14.	Which is an equation of the circle with center at (11, -19) and diameter 12?
		A.	(x + 11) 2 + (y - 19) 2.= 144
		B.	(x + 11) 2 + (y - 19) 2 = 36
		C.	(x - 11) 2 + (y + 19) 2 = 144
		D.	(x - 11) 2 + (y + 19) 2 = 36
		Hint
	15.	Find an equation of the circle passing through U(-3, -1), V(3, 5), and W(9, 3).
		A.	(x - 3) 2 + (y - 3) 2 = 90
		B.	(x + 1) 2 + (y - 4) 2 = 25
		C.	(x - 4) 2 + (y + 2) 2 = 50
		D.	x2 + y2 = 10
		Hint
	16.	In J, is a diameter with JL = 18 and m = 140. Find the length of .
		A.	6.3	B.	113.1
		C.	44.0	D.	12.6
		Hint