1.	Which tessellation is not regular?
		A.
		B.
		C.
		D.
		Hint
	2.	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.	3
		C.	1	D.	2
		Hint
	3.	Which is a transformation in which a figure is turned about a point?
		A.	reflection	B.	image
		C.	rotation	D.	tessellation
		Hint
	4.	When a figure is in its original position after being rotated 180°, it is said to have ______?______.
		A.	rotational symmetry	B.	uniform rotation
		C.	regular rotation	D.	axis of symmetry
		Hint
	5.	A pattern in which identical copies of a figure fill a plane so there are no gaps or overlaps is called a ______?_________.
		A.	rotation	B.	reflection
		C.	tessellation	D.	transformation
		Hint