The small pipe has a radius of 16 feet and a height of 48 feet while the large pipe has a height of 60 feet. What is the volume of the large pipe in terms of π?
Answer 24,000π ft3
20,000π ft3
12,288π ft3
10,667π ft3
This is 24,000 right?

Question

The small pipe has a radius of 16 feet and a height of 48 feet while the large pipe has a height of 60 feet. What is the volume of the large pipe in terms of π?
Answer    24,000π ft3 
   20,000π ft3 
   12,288π ft3 
   10,667π ft3 
This is 24,000 right?

anonymous · Answer

attachment

callisto · Answer

are the 2 figures similar?

anonymous · Answer

Yes. one is larger and th other is smaller

callisto · Answer

yes, you're correct
48/60 = 16/r
r = 20
vol = 20^2 X 60 = 24000

anonymous · Answer

thanks! I got a few more coming so please look out

anonymous · Answer

vol is $ \pi 20^2 \times 60 $

callisto · Answer

hmm i missed the π.. sorry :(

callisto · Answer

there is another method you can use..
if the figures are similar
vol of A       side of A
------  = (--------) ^3
vol of B        side of B