1.	Choose the best description for the figure.
		A.	not a polygon	B.	polygon
		C.	semicircle	D.	regular polygon
		Hint
	2.	Which of the following angle measures represent the angles of a regular polygon that can be used to make a tessellation?
		A.	135°	B.	90°
		C.	144°	D.	150°
		Hint
	3.	In the tessellation shown below, name the polygons and determine how many of each type are at each vertex.
		A.	2 octagons and 1 square	B.	1 octagon and 2 squares
		C.	4 octagons and 1 square	D.	1 octagon and 4 squares
		Hint
	4.	The sum of the angle measures of a regular hendecagon (an 11-sided polygon) is 1620°. What is the measure of each of the angles of the hendecagon? Round your answer to the nearest whole degree.
		A.	144°	B.	147°
		C.	150°	D.	90°
		Hint
	5.	Which of the following angle measures represents the angles of a regular polygon that can be used to make a tessellation?
		A.	140°	B.	108°
		C.	144°	D.	60°
		Hint