1.	What is the measure of an interior angle of a regular 9-gon?
		A.	147	B.	135
		C.	144	D.	140
		Hint
	2.	The measure of an interior angle of a regular polygon is 160. How many sides does the polygon have?
		A.	16	B.	20
		C.	12	D.	18
		Hint
	3.	Find the value of x.
		A.	46.5	B.	35.25
		C.	24	D.	12.75
		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 measure of an interior angle of a regular polygon is 140. Find the number of sides the polygon has.
		A.	9	B.	13
		C.	7	D.	11
		Hint