1.	The polygon shown is_______.
		A.	concave	B.	a hexagon
		C.	a quadrilateral	D.	regular
		Hint
	2.	The polygon shown is
		A.	concave	B.	a hexagon
		C.	an octagon	D.	regular
		Hint
	3.	Find the sum of the measures of the interior angles of a 28-gon.
		A.	180	B.	167
		C.	5040	D.	4680
		Hint
	4.	Find the measure of .
		A.	75°	B.	29°
		C.	140°	D.	110°
		Hint
	5.	What is the value of x in the figure?
		A.	117°	B.	297°
		C.	151°	D.	120°
		Hint