1.	The measure of an interior angle of a regular polygon is 160. How many sides does the polygon have?
		A.	16	B.	12
		C.	18	D.	20
		Hint
	2.	An exterior angle of a regular polygon has a measure of 30. Find the sum of the measures of the interior angles.
		A.	1800	B.	2520
		C.	2160	D.	2880
		Hint
	3.	Find the measure of .
		A.	75°	B.	110°
		C.	29°	D.	140°
		Hint
	4.	The measure of an exterior angle of a regular polygon is 60. How many sides does the polygon have?
		A.	6	B.	12
		C.	3	D.	9
		Hint
	5.	Find the sum of the measures of the interior angles of a regular 16-gon.
		A.	2520	B.	3240
		C.	2880	D.	2848
		Hint