1.	Which formula could be used to determine the circumference of a circle?
		A.		B.
		C.		D.
		Hint
	2.
		A.	28.3 cm	B.	56.5 cm
		C.	113.1 cm	D.	101.7 cm
		Hint
	3.	What is the circumference of a circle if its radius measures meters? Round to the nearest tenth.
		A.	22.0 m	B.	11.0 m
		C.	7.0 m	D.	31.0 m
		Hint
	4.	Find the radius of a circle with circumference equal to 362.4. Round to the nearest tenth.
		A.	36.7	B.	57.7
		C.	115.4	D.	230.7
		Hint
	5.	Find the circumference of the circle circumscribed about the square in the diagram. Round to the nearest tenth.
		A.	50.3	B.	38.9
		C.	45.3	D.	22.7
		Hint