1.	The diameter of a circle is 8. What is the radius?
		A.	16	B.
		C.		D.	4
		Hint
	2.	The exact circumference of a circle with a radius of 6 is ____.
		A.		B.	37.7
		C.		D.
		Hint
	3.	The diameter of a circle is 7.5. Find the circumference to the nearest tenth.
		A.	16.8	B.	35.4
		C.	47.1	D.	23.6
		Hint
	4.	Refer to circles B and D in the figure below. If BC = 5 and CD = 5, find AE.
		A.	15	B.	25
		C.	10	D.	20
		Hint
	5.	Find the exact circumference of the circle in the figure.
		A.	17	B.	4.25
		C.	17	D.	8.5
		Hint