1.	Which of the following is a regular polygon?
		A.		B.
		C.		D.
		Hint
	2.	Which of the following angle measures represent the angles of a regular polygon that can be used to make a tessellation?
		A.	150°	B.	90°
		C.	144°	D.	135°
		Hint
	3.	The sum of the measures of the angles of a regular octagon is 1080°. What is the measure of each angle?
		A.	144°	B.	120°
		C.	108°	D.	135°
		Hint
	4.	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.	1 octagon and 4 squares	D.	4 octagons and 1 square
		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.	144°	B.	140°
		C.	100°	D.	150°
		Hint