1.	The diameter of a circle is 8. What is the radius?
		A.		B.	16
		C.	4	D.
		Hint
	2.	The exact circumference of a circle with a radius of 6 is ____.
		A.		B.
		C.	37.7	D.
		Hint
	3.	If the circumference of a circle is 56.5, find the radius to the nearest whole number.
		A.	18	B.	89
		C.	16	D.	9
		Hint
	4.	What is the area of the shaded region? Round the answer to the nearest tenth.
		A.	182.2 cm2	B.	172.8 cm2
		C.	31.4 cm2	D.	201.1 cm2
		Hint
	5.	What is the area of the shaded region in the square?
		A.	18 cm2	B.	15 cm2
		C.	6 cm2	D.	27 cm2
		Hint