1.	Which figure is a tetrahedron?
		A.		B.
		C.		D.
		Hint
	2.	How many edges does the figure below have?
		A.	16	B.	12
		C.	6	D.	4
		Hint
	3.	The bases of a cylinder can be_________.
		A.	squares	B.	triangles
		C.	circles	D.	polygons
		Hint
	4.	How many lateral edges are in the figure below?
		A.	12	B.	2
		C.	18	D.	6
		Hint
	5.	How many edges are in the figure below?
		A.	12	B.	13
		C.	6	D.	7
		Hint