1.	An arc that lies in the interior of a central angle is called a _______.
		A.	minor arc	B.	major arc
		C.	central arc	D.	semicircle
		Hint
	2.
		A.	20	B.	15
		C.	55	D.	95
		Hint
	3.
		A.	102	B.	56
		C.	138	D.	42
		Hint
	4.	Which pair of arcs are not adjacent?
		A.		B.
		C.		D.
		Hint
	5.
		A.	66	B.	180
		C.	114	D.	246
		Hint