1.	The polygon shown is
		A.	concave	B.	regular
		C.	a hexagon	D.	an octagon
		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.	Find the value of x.
		A.	46.5	B.	35.25
		C.	12.75	D.	24
		Hint
	4.	What is the value of x in the figure?
		A.	117°	B.	151°
		C.	297°	D.	120°
		Hint
	5.	What is the value of y in the figure?
		A.	111°	B.	56°
		C.	230°	D.	106°
		Hint