1.	Determine the sum of measures of the interior angles of a regular octagon.
		A.	720	B.	540
		C.	900	D.	1080
		Hint
	2.	What is the measure of one exterior angle of a regular decagon?
		A.	72	B.	288
		C.	144	D.	36
		Hint
	3.	What is the measure of the missing angle?
		A.	150	B.	110
		C.	120	D.	140
		Hint
	4.	What is the value of x?
		A.	65	B.	85
		C.	25	D.	45
		Hint
	5.	Find the measure of one exterior angle of a regular octagon.
		A.	360	B.	140
		C.	1080	D.	45
		Hint