Question

Please help Only a few questions left!
A liquid filter shaped as a right circular cone is shown below.



If a similar cone has a slant height of 18 cm, what is its lateral area?

Answer 1

lateral surface area of a cone:
\[\rightarrow \pi*r*l\]

Answer 2

to find radius set up a proportion
\[\frac{r_1}{l_1} = \frac{r_2}{l_2}\]

Answer 3

What is l?

Answer 4

slant height

Answer 5

SO this is the asnwer? 235.61944901923449

Answer 6

do it yourself.

Answer 7

is it 108pi cm^2?

Answer 8

yes .. it is 108 pi