Question

The Surface area of a cylinder is 200 in.². Another cylinder has a surface area of 8 square inches. what is the scale factor that relates the size of the cylinder?

A. 1/25
B. 1/5
C.1/2
D. 2/5

Answer 1

First you need to find how many times smaller the second cylinder is: 200/8=25. So the scale factor is 1/25: 200×1/25=8