1.	The diameter of a circle is 8. What is the radius?
		A.		B.
		C.	4	D.	16
		Hint
	2.
		A.	chord	B.	minor arc
		C.	major arc	D.	circumference
		Hint
	3.
		A.	20	B.
		C.	320	D.	40
		Hint
	4.
		A.	115	B.	25
		C.	90	D.	65
		Hint
	5.
		A.	7.2	B.	135
		C.	45	D.	Not enough information is given.
		Hint