1.	The exact circumference of a circle with a radius of 6 is ____.
		A.		B.	37.7
		C.		D.
		Hint
	2.	The diameter of a circle is 7.5. Find the circumference to the nearest tenth.
		A.	47.1	B.	35.4
		C.	16.8	D.	23.6
		Hint
	3.	If the circumference of a circle is 56.5, find the radius to the nearest whole number.
		A.	18	B.	16
		C.	89	D.	9
		Hint
	4.	Find the circumference and the area of a circle with radius 11.2 cm. Round to the nearest tenth.
		A.	64.5 cm, 284.6 cm2
		B.	67.9 cm, 328.9 cm2
		C.	70.4 cm, 394.1 cm2
		D.	85.1 cm, 494.2 cm2
		Hint
	5.	What is the area of the shaded region? Round the answer to the nearest tenth.
		A.	201.1 cm2	B.	172.8 cm2
		C.	182.2 cm2	D.	31.4 cm2
		Hint