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OpenStudy (anonymous):
thomaster (thomaster):
volume = lenght x height x width
OpenStudy (e.mccormick):
For the surfac area, find the area of each side and add them together. For the volume, thomaster jsut posted it.
OpenStudy (anonymous):
So 512?
OpenStudy (e.mccormick):
512 is the volume.
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thomaster (thomaster):
8 * 8 * 8 = 512 in^3
surface is 8*8 = 64 in^2
OpenStudy (mertsj):
What is the area of the bottom?
OpenStudy (e.mccormick):
For SA, there is one advantage with a cube. All 6 sides are the same.
OpenStudy (anonymous):
so 512 x 3?
thomaster (thomaster):
nooooo 64 times 6
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OpenStudy (anonymous):
I get 384
thomaster (thomaster):
there are 6 sides of 64 inche square
OpenStudy (anonymous):
I get 384
OpenStudy (anonymous):
So 512 subtract 384?
OpenStudy (e.mccormick):
6 sides, each side has 8 by 8 dimensions. As Mertsj points out, sort of indirectly, you can start with one side like the bottom, find it, and then I am betting his next step would have been to have you multiply that by 6.
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thomaster (thomaster):
the surface area has nothing to do with the volume
OpenStudy (anonymous):
I need the surface area
thomaster (thomaster):
surface area is 384 inch square
Volume is 512 inch^3
OpenStudy (e.mccormick):
384 is the SA. That is the answer. This is actually two question and you need to do the math seperatly for each.