1.	The diameter of a circle is 8. What is the radius?
		A.		B.
		C.	16	D.	4
		Hint
	2.	The diameter of a circle is 7.5. Find the circumference to the nearest tenth.
		A.	16.8	B.	47.1
		C.	23.6	D.	35.4
		Hint
	3.
		A.	65	B.	115
		C.	90	D.	25
		Hint
	4.
		A.	13	B.	7
		C.	22	D.	20
		Hint
	5.	ABCDE is ____.
		A.	a rhombus	B.	a chord
		C.	an inscribed polygon	D.	a parallelogram
		Hint
	6.	In the figure, XZ = 12, UV = 8, and is a diameter. Find the length of a radius of the circle.
		A.	12	B.	10
		C.	8	D.
		Hint
	7.	is a diameter. Find .
		A.	90	B.	360
		C.	180	D.	270
		Hint
	8.	Find the value of y.
		A.	87	B.	97
		C.	7	D.	83
		Hint
	9.	In the figure, the segment is ____ to the circle.
		A.	interior	B.	supplementary
		C.	inscribed	D.	tangent
		Hint
	10.
		A.	9.6	B.	12.2
		C.	8.3	D.	7.1
		Hint
	11.	Find an equation of the circle passing through A(2, 4), B(-2, 6), and O(0,0).
		A.	(x - 3)2 + (y + 6)2 = 32	B.	(x + 1)2 + (y - 3)2 = 10
		C.	x2 + y2 = 40	D.	(x - 2)2 + (y - 4)2 = 20
		Hint
	12.	If is tangent to circle M, what is the length of a radius of circle M?
		A.	16	B.	8
		C.	2	D.
		Hint
	13.	Find mNAL.
		A.	78	B.	21
		C.	96	D.	150
		Hint
	14.	Find the value of x.
		A.	12	B.	7.5
		C.	6	D.	3
		Hint
	15.	Which of the following points is on the circle with equation (x - 7)2 + (y + 3)2 = 25?
		A.	(17, 12)	B.	(5, -6)
		C.	(-8, -23)	D.	(10, 1)
		Hint
	16.
		A.	125	B.	75
		C.	37.5	D.	62.5
		Hint