1.	What is the measure of an interior angle of a regular 9-gon?
		A.	144	B.	135
		C.	147	D.	140
		Hint
	2.	The measure of an interior angle of a regular polygon is 160. How many sides does the polygon have?
		A.	18	B.	20
		C.	16	D.	12
		Hint
	3.	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.	2880
		C.	2520	D.	2160
		Hint
	4.	Find the measure of .
		A.	140°	B.	110°
		C.	75°	D.	29°
		Hint
	5.	Find the sum of the measures of the interior angles of a regular 16-gon.
		A.	2848	B.	3240
		C.	2520	D.	2880
		Hint