1.	Which formula could be used to determine the circumference of a circle?
		A.		B.
		C.		D.
		Hint
	2.
		A.	113.1 cm	B.	28.3 cm
		C.	101.7 cm	D.	56.5 cm
		Hint
	3.	The diameter of a circle is 15.6 millimeters. What is its circumference? Round to the nearest tenth.
		A.	98.0 mm	B.	47.8 mm
		C.	49.0 mm	D.	24.5 mm
		Hint
	4.	Find the circumference of the circle to the nearest tenth.
		A.	116.2 m	B.	58.1 m
		C.	1075.2 m2	D.	118.3 m2
		Hint
	5.	Find the radius of a circle with circumference of 42.1. Round to the nearest tenth.
		A.	6.7	B.	8.6
		C.	13.4	D.	7.2
		Hint