1.
		A.	center	B.	circumference
		C.	diameter	D.	radius
		Hint
	2.	The diameter of a circle is 8. What is the radius?
		A.	4	B.
		C.		D.	16
		Hint
	3.	The diameter of a circle is 7.5. Find the circumference to the nearest tenth.
		A.	23.6	B.	16.8
		C.	35.4	D.	47.1
		Hint
	4.	Find the circumference and the area of a circle with radius 11.2 cm. Round to the nearest tenth.
		A.	70.4 cm, 394.1 cm2
		B.	64.5 cm, 284.6 cm2
		C.	67.9 cm, 328.9 cm2
		D.	85.1 cm, 494.2 cm2
		Hint
	5.	What is the area of the shaded region in the square?
		A.	27 cm2	B.	6 cm2
		C.	18 cm2	D.	15 cm2
		Hint