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.
25:16
D.
4:5
Hint
2.
Which statement is true?
A.
Doubling the edge length of a cube multiplies the surface area by 8.
B.
All pyramids are similar
C.
Doubling the edge length of a cube multilies the volume by 8.
D.
All cylinders are similar.
Hint
3.
Determine if the two square pyramids are similar, congruent or neither.
A.
similar, scale factor = 2:3
B.
congruent
C.
neither
D.
similar, scale factor = 4:5
Hint
4.
Find the ratio of the surface areas of these two spheres.
A.
4:01
B.
2:01
C.
8:01
D.
16:01
Hint
5.
These two square pyramids are similar. Find
h
. (Round to the nearest hundredth.)
A.
10.24 ft.
B.
16.00 ft.
C.
5.00 ft.
D.
16.48 ft.
Hint