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Mathematics 12 Online
OpenStudy (anonymous):

Find the volume for the composite figure. Round to the nearest tenth of a cubic inch. (Image coming in a sec)

OpenStudy (anonymous):

|dw:1360040003593:dw|

jimthompson5910 (jim_thompson5910):

so it's basically a cone but there's a smaller cone taken out?

OpenStudy (anonymous):

yes

jimthompson5910 (jim_thompson5910):

find the volume of the two cones, then subtract the two volumes

jimthompson5910 (jim_thompson5910):

Use this formula V = (1/3)*pi*r^2*h r = radius h = height

OpenStudy (anonymous):

ok will you check my answer?

jimthompson5910 (jim_thompson5910):

sure thing, just tell me what you get

OpenStudy (anonymous):

703.7?

jimthompson5910 (jim_thompson5910):

very good

jimthompson5910 (jim_thompson5910):

I'm getting 224*pi which is approximately 703.716754404113 and that rounds to 703.7

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