1.
		A.	diameter	B.	circumference
		C.	center	D.	radius
		Hint
	2.	The exact circumference of a circle with a radius of 6 is ____.
		A.		B.
		C.		D.	37.7
		Hint
	3.	The diameter of a circle is 7.5. Find the circumference to the nearest tenth.
		A.	23.6	B.	47.1
		C.	35.4	D.	16.8
		Hint
	4.	Find the radius of a circle with circumference .
		A.		B.	16
		C.	8	D.	4
		Hint
	5.	If the circumference of a circle is 56.5, find the radius to the nearest whole number.
		A.	89	B.	16
		C.	18	D.	9
		Hint