1.	In the figure, the segment is ____ to the circle.
		A.	inscribed	B.	interior
		C.	tangent	D.	supplementary
		Hint
	2.
		A.	19	B.	60
		C.	11	D.
		Hint
	3.
		A.	90	B.	45
		C.	60	D.	30
		Hint
	4.	If is tangent to circle M, what is the length of a radius of circle M?
		A.	2	B.
		C.	8	D.	16
		Hint
	5.	is tangent to circle S. LT = _______.
		A.		B.
		C.	18	D.	12
		Hint