1.	What is the measure of an interior angle of a regular 9-gon?
		A.	140	B.	147
		C.	135	D.	144
		Hint
	2.	Find the value of x.
		A.	35.25	B.	24
		C.	12.75	D.	46.5
		Hint
	3.	Find the sum of the measures of the interior angles of a 28-gon.
		A.	5040	B.	167
		C.	4680	D.	180
		Hint
	4.	Find the measure of .
		A.	140°	B.	110°
		C.	75°	D.	29°
		Hint
	5.	Find the sum of the measures of the interior angles of a regular 16-gon.
		A.	2520	B.	2880
		C.	3240	D.	2848
		Hint