1.	Which of the following statements does not necessarily describe a polygon?
		A.	lines do not intersect	B.	consists of 3 or more line segments
		C.	symmetrical	D.	closed
		Hint
	2.	Choose the best description for the figure.
		A.	not a polygon	B.	regular polygon
		C.	semicircle	D.	polygon
		Hint
	3.	The sum of the measures of the angles of a regular octagon is 1080°. What is the measure of each angle?
		A.	120°	B.	108°
		C.	135°	D.	144°
		Hint
	4.	In a tessellations with squares and regular triangles, two squares touch each vertex. How many triangles touch each vertex?
		A.	4	B.	2
		C.	1	D.	3
		Hint
	5.	By drawing triangles, you can find that all of the measures of the angles in an octagon add up to 1080°. Find the measure of one angle in a regular octagon.
		A.	1072°	B.	150°
		C.	1080°	D.	135°
		Hint