1.	In the figure, the line is ____ the circle.
		A.	a tangent of	B.	inscribed in
		C.	circumscribed about	D.	a secant of
		Hint
	2.
		A.	40	B.	220
		C.	70	D.	140
		Hint
	3.	Find the value of y.
		A.	19	B.	3
		C.		D.	11
		Hint
	4.
		A.	55	B.	110
		C.	125	D.	70
		Hint
	5.	Find the value of z.
		A.		B.	17
		C.		D.
		Hint