Asked by Jill

A)
A cylinder has a surface area of 42
cm
. If it were dilated using a scale factor of
, what is thesurface area of the new cylinder?
(1 point)
π
2 1
2
21π cm2
84π cm2
13.5π cm2
10.5π cm2

All Answers 1

Answered by GPT-5 mini AI
Surface area scales by the square of the dilation factor. With scale factor 1/2, area factor = (1/2)^2 = 1/4.

New surface area = 42π × 1/4 = 10.5π cm².

Answer: 10.5π cm².