1.	Which of the following statements does not necessarily describe a polygon?
		A.	closed	B.	symmetrical
		C.	lines do not intersect	D.	consists of 3 or more line segments
		Hint
	2.	Which of the following statements does not necessarily describe a polygon?
		A.	closed	B.	consists of 3 or more line segments
		C.	lines do not intersect	D.	symmetrical
		Hint
	3.	Choose the best description for the figure.
		A.	semicircle	B.	not a polygon
		C.	polygon	D.	regular polygon
		Hint
	4.	The sum of the measures of the angles of a regular octagon is 1080°. What is the measure of each angle?
		A.	144°	B.	108°
		C.	120°	D.	135°
		Hint
	5.	The sum of the angle measures of a regular dodecagon (a 12-sided polygon) is 1800°. What is the measure of each angle of a regular dodecagon?
		A.	140°	B.	144°
		C.	150°	D.	100°
		Hint