anonymous
  • anonymous
Im trying to find the volume of a flower box I've built, so I can figure out how much dirt I need. The thing is 35" long, 24" wide at the top, 4" wide at the bottom, and 14" tall.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
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anonymous
  • anonymous
is it just length x height x (width1 + width2)/2 ?
anonymous
  • anonymous
which would be 6860 inches cubed, so, 571cubic feet? that seems like a lot...

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jdoe0001
  • jdoe0001
http://www.mathatube.com/images/finding_trapezoid-045.jpg
jdoe0001
  • jdoe0001
get the area of the trapezoid on either end, and multiply it by the length
IrishBoy123
  • IrishBoy123
yes - 6860 inches cubed. i am from a metric background but surely the conversion to cubic feet means you divide by 12x12x12 giving 3.96 cub feet?
anonymous
  • anonymous
ya your right. I messed up the easiest part apparently haha. But the volume was right as far as my method?
anonymous
  • anonymous
It is 3.96, assuming the 6860 is right.
IrishBoy123
  • IrishBoy123
yep, i think your volume is bang on and the final number now makes sense when you think the think is just about 3 ft long etc etc
IrishBoy123
  • IrishBoy123
@xartaan it *is* right. 3.96 is the answer. and it makes practical sense.

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