1.	The measure of an interior angle of a regular polygon is 160. How many sides does the polygon have?
		A.	16	B.	20
		C.	18	D.	12
		Hint
	2.	Find the sum of the measures of the interior angles of a 28-gon.
		A.	4680	B.	5040
		C.	167	D.	180
		Hint
	3.	Find the measure of .
		A.	110°	B.	75°
		C.	140°	D.	29°
		Hint
	4.	The measure of an exterior angle of a regular polygon is 60. How many sides does the polygon have?
		A.	9	B.	3
		C.	12	D.	6
		Hint
	5.	The measure of an interior angle of a regular polygon is 140. Find the number of sides the polygon has.
		A.	13	B.	7
		C.	9	D.	11
		Hint