1.	The diameter of a circle is 7.5. Find the circumference to the nearest tenth.
		A.	23.6	B.	47.1
		C.	16.8	D.	35.4
		Hint
	2.	Refer to circles B and D in the figure below. If BC = 5 and CD = 5, find AE.
		A.	15	B.	20
		C.	10	D.	25
		Hint
	3.
		A.	25	B.	90
		C.	65	D.	115
		Hint
	4.
		A.	7	B.	20
		C.	22	D.	13
		Hint
	5.
		A.	35	B.	290
		C.	90	D.	70
		Hint
	6.	Find the value of y.
		A.	97	B.	87
		C.	7	D.	83
		Hint
	7.	Find .
		A.	25	B.	80
		C.	105	D.	100
		Hint
	8.	Find the value of x.
		A.	0.8	B.	8
		C.	5	D.	20
		Hint
	9.	Find an equation of the circle that has a diameter with endpoints at (6, 10) and (-2, 4).
		A.	(x + 2)2 + (y - 4)2 = 100	B.	(x - 2)2 + (y - 7)2 = 25
		C.	(x - 4)2 + (y - 3)2 = 53	D.	(x - 6)2 + (y - 10)2 = 100
		Hint
	10.	Find an equation of the circle passing through A(2, 4), B(-2, 6), and O(0,0).
		A.	(x - 2)2 + (y - 4)2 = 20	B.	(x + 1)2 + (y - 3)2 = 10
		C.	x2 + y2 = 40	D.	(x - 3)2 + (y + 6)2 = 32
		Hint
	11.	is a diameter of the circle. Find the value of x.
		A.		B.
		C.	7	D.
		Hint
	12.	In the figure, , and . If MP = 7, then PQ = ____.
		A.	25	B.	24
		C.	14	D.	7
		Hint
	13.	If is tangent to circle M, what is the length of a radius of circle M?
		A.	2	B.	8
		C.		D.	16
		Hint
	14.	is tangent to circle S. LT = _______.
		A.		B.	18
		C.		D.	12
		Hint
	15.	Find mNAL.
		A.	78	B.	21
		C.	96	D.	150
		Hint
	16.	In the figure, and are ______.
		A.	secant segments	B.	secants
		C.	external secant segments	D.	tangent segments
		Hint