1.
If two similar solids have a scale factor of 5:4, what is the ratio of their surface areas?
A.
5:4
B.
125:64
C.
4:5
D.
25:16
Hint
2.
If the radius of a sphere is tripled, the volume is how many times as great?
A.
3
B.
6
C.
9
D.
27
Hint
3.
Determine if the two square pyramids are similar, congruent or neither.
A.
similar, scale factor = 2:3
B.
congruent
C.
similar, scale factor = 4:5
D.
neither
Hint
4.
Find the ratio of the surface areas of these two spheres.
A.
2:01
B.
4:01
C.
8:01
D.
16:01
Hint
5.
These two square pyramids are similar. Find
h
. (Round to the nearest hundredth.)
A.
16.48 ft.
B.
10.24 ft.
C.
5.00 ft.
D.
16.00 ft.
Hint