1.	If the radius of a sphere is tripled, the volume is how many times as great?
		A.	27	B.	6
		C.	9	D.	3
		Hint
	2.	Which statement is true?
		A.	Doubling the edge length of a cube multilies the volume by 8.
		B.	Doubling the edge length of a cube multiplies the surface area by 8.
		C.	All pyramids are similar
		D.	All cylinders are similar.
		Hint
	3.	Determine if the two square pyramids are similar, congruent or neither.
		A.	neither
		B.	congruent
		C.	similar, scale factor = 2:3
		D.	similar, scale factor = 4:5
		Hint
	4.	Find the ratio of the surface areas of these two spheres.
		A.	4:01	B.	8:01
		C.	2:01	D.	16:01
		Hint
	5.	Find the scale factor of these two cylinders.
		A.	1:08	B.	1:05
		C.	1:04	D.	5:09
		Hint