1.
		A.	center	B.	diameter
		C.	circumference	D.	radius
		Hint
	2.	In the figure below, the diagonals of the square pass through the center of the circle. Find the exact circumference of the circle.
		A.		B.
		C.		D.	28
		Hint
	3.
		A.		B.	320
		C.	20	D.	40
		Hint
	4.	ABCDE is ____.
		A.	a chord	B.	a parallelogram
		C.	an inscribed polygon	D.	a rhombus
		Hint
	5.
		A.	22	B.	5
		C.	4	D.	9
		Hint
	6.	Find the value of y.
		A.	7	B.	87
		C.	83	D.	97
		Hint
	7.	Refer to circle C. Find the value of x.
		A.		B.
		C.		D.	13
		Hint
	8.
		A.	40	B.	70
		C.	220	D.	140
		Hint
	9.
		A.	7.1	B.	12.2
		C.	8.3	D.	9.6
		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.
		A.	6.6	B.	11.2
		C.	5.6	D.	13.2
		Hint
	12.	If P is the center of the circle, find the value of x.
		A.		B.	-25
		C.	34	D.	23
		Hint
	13.	is tangent to circle S. LT = _______.
		A.	18	B.
		C.	12	D.
		Hint
	14.	Find mNAL.
		A.	78	B.	21
		C.	96	D.	150
		Hint
	15.	Find the value of x.
		A.	3	B.	7.5
		C.	12	D.	6
		Hint
	16.	Find the diameter of the circle with equation (x + 8) 2 + (y - 9) 2 = 121.
		A.	17	B.	22
		C.	121	D.	11
		Hint