1.	Which figure is not a polygon?
		A.		B.
		C.		D.
		Hint
	2.	What is the measure of an interior angle of a regular 9-gon?
		A.	140	B.	135
		C.	147	D.	144
		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.	2160	B.	2880
		C.	2520	D.	1800
		Hint
	4.	Find the sum of the measures of the interior angles of a 28-gon.
		A.	167	B.	5040
		C.	180	D.	4680
		Hint
	5.	The exterior angle of a regular polygon is 32.7°. Find the number of sides.
		A.	11	B.	6
		C.	7	D.	10
		Hint