Answer:
Step-by-step explanation:
f(x)=4+20+4
=28
Let k be the scale factor relating two similar prisms

and

, such that for corresponding parts of prisms

and

(for heights, in particular) we have

. In our case

.
For surfaces area we have

.
So, the right answer is 4:25 (choice B)
Answer:
0.02
Step-by-step explanation: