1.	The measure of an interior angle of a regular polygon is 160. How many sides does the polygon have?
		A.	20	B.	16
		C.	18	D.	12
		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.	2880	B.	2520
		C.	2160	D.	1800
		Hint
	3.	Find the measure of .
		A.	140°	B.	110°
		C.	75°	D.	29°
		Hint
	4.	Find the sum of the measures of the interior angles of a regular 16-gon.
		A.	2520	B.	2848
		C.	3240	D.	2880
		Hint
	5.	The measure of an interior angle of a regular polygon is 140. Find the number of sides the polygon has.
		A.	9	B.	7
		C.	11	D.	13
		Hint