1.	Which figure is not a polygon?
		A.		B.
		C.		D.
		Hint
	2.	The polygon shown is
		A.	a hexagon	B.	regular
		C.	an octagon	D.	concave
		Hint
	3.	What is the measure of an interior angle of a regular 9-gon?
		A.	144	B.	135
		C.	147	D.	140
		Hint
	4.	The exterior angle of a regular polygon is 32.7°. Find the number of sides.
		A.	7	B.	6
		C.	11	D.	10
		Hint
	5.	Find the measure of .
		A.	110°	B.	29°
		C.	75°	D.	140°
		Hint