1.	What is the measure of an interior angle of a regular 9-gon?
		A.	147	B.	144
		C.	140	D.	135
		Hint
	2.	Find the sum of the measures of the interior angles of a 28-gon.
		A.	167	B.	180
		C.	5040	D.	4680
		Hint
	3.	Find the measure of .
		A.	140°	B.	110°
		C.	29°	D.	75°
		Hint
	4.	Find the sum of the measures of the interior angles of a regular 16-gon.
		A.	2880	B.	3240
		C.	2848	D.	2520
		Hint
	5.	The measure of an interior angle of a regular polygon is 140. Find the number of sides the polygon has.
		A.	13	B.	7
		C.	11	D.	9
		Hint