A liquid filter shaped as a right circular cone is shown below. (It's radius is 5 cm and the slant height is 15 cm)

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

When I tried solving I got a really funky number lol.

How would I figure this out?

Question

A liquid filter shaped as a right circular cone is shown below. (It's radius is 5 cm and the slant height is 15 cm)
 
If a similar cone has a slant height of 18 cm, what is its lateral area?

When I tried solving I got a really funky number lol.

How would I figure this out?

anonymous · Answer

Copy this question and then close it. Paste it in the ask a question box. Before it Put first person to answer gets a medal. I'm not sure how to do this, I am trying to find out how to also. You should do what I said, it works!