1.	In a tessellation, the sum of the measures of the angles of the polygons surrounding a point (at a vertex) is________.
		A.	180	B.	360
		C.	720	D.	90
		Hint
	2.	For which value of n will a regular n-gon not tessellate the plane.
		A.	8	B.	4
		C.	6	D.	3
		Hint
	3.	Which term describes the tessellation shown?
		A.	uniform	B.	regular
		C.	not uniform	D.	none of these
		Hint
	4.	Suppose that, in a tessellation by regular hexagons and equilateral triangles, two hexagons meet at a vertex. How many of the triangles must meet at that vertex?
		A.	4	B.	2
		C.	3	D.	1
		Hint
	5.	Which term describes the tessellation below?
		A.	uniform	B.	not uniform
		C.	none of these	D.	semi-regular
		Hint