1.	In a tessellation, the sum of the measures of the angles of the polygons surrounding a point (at a vertex) is________.
		A.	360	B.	720
		C.	90	D.	180
		Hint
	2.	For which value of n will a regular n-gon not tessellate the plane.
		A.	8	B.	6
		C.	3	D.	4
		Hint
	3.	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.	2	B.	1
		C.	4	D.	3
		Hint
	4.	Which term describes the tessellation below?
		A.	not uniform	B.	uniform
		C.	none of these	D.	semi-regular
		Hint
	5.	Which tessellation is not uniform?
		A.		B.
		C.		D.
		Hint