1.
		A.	22	B.	9
		C.	5	D.	4
		Hint
	2.	In the figure, XZ = 12, UV = 8, and is a diameter. Find the length of a radius of the circle.
		A.		B.	10
		C.	8	D.	12
		Hint
	3.	is a diameter of the circle. Find the value of x.
		A.		B.	7
		C.		D.
		Hint
	4.	In the figure, if PQ = 16 and CD = 30, then what is the length of a radius of the circle?
		A.	16	B.	15
		C.	8	D.	17
		Hint
	5.	In the figure, L and R lie on circle P. Is LRP inscribed in circle P?
		A.	No; triangles cannot be inscribed.
		B.	Yes; P is the center of the circle and is a vertex of the triangle.
		C.	Yes; LRP is completely contained in circle P.
		D.	No; only two of the points lie on circle P.
		Hint