Mathematics
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OpenStudy (rebeccapink6398):
can someone please help me with this surface area of the prism. picture is in the comments
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OpenStudy (rebeccapink6398):
OpenStudy (anonymous):
fins the area of each side and add them together
OpenStudy (rebeccapink6398):
so umm 1589 ft2
OpenStudy (anonymous):
no
OpenStudy (anonymous):
lets do the first side facing us
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OpenStudy (anonymous):
the 413 by 729 side
OpenStudy (anonymous):
what is the area of that face?
OpenStudy (rebeccapink6398):
what do you mean @10115658
OpenStudy (anonymous):
|dw:1431530676998:dw|
OpenStudy (anonymous):
how do you find the area of that?
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OpenStudy (rebeccapink6398):
301077 @10115658
OpenStudy (anonymous):
that's right
OpenStudy (anonymous):
so there are 2 of these faces on the prism so we multiply that by 2 to get 602154
OpenStudy (anonymous):
can you find another type of face on the prism
OpenStudy (rebeccapink6398):
there is 447
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OpenStudy (rebeccapink6398):
the length
OpenStudy (anonymous):
|dw:1431531483661:dw|
OpenStudy (anonymous):
Do you see that face on the prism?
OpenStudy (rebeccapink6398):
yes i think so
OpenStudy (anonymous):
ok, so what's the area of that face?
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OpenStudy (rebeccapink6398):
325863
OpenStudy (anonymous):
yep, and how many faces of that type are on the prism?
OpenStudy (rebeccapink6398):
2?? i think
OpenStudy (anonymous):
that's right.
OpenStudy (rebeccapink6398):
|dw:1431531349558:dw|
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OpenStudy (anonymous):
yep, so multiply your value by 2
OpenStudy (rebeccapink6398):
soo i think its 651726+602154=1253880... wait what do you mena?
OpenStudy (anonymous):
325863 x 2. since there are 2 faces with that area
OpenStudy (anonymous):
what are the dimensions of the top and bottom faces
OpenStudy (rebeccapink6398):
i belive its 417?
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OpenStudy (anonymous):
huh?
OpenStudy (rebeccapink6398):
im not sure what your asking
OpenStudy (anonymous):
do you see the face at the bottom of the prism
OpenStudy (rebeccapink6398):
no
OpenStudy (anonymous):
the last face has dimensions 447 and 413
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OpenStudy (rebeccapink6398):
369222+1253880 is that what im supposed to do? @10115658
OpenStudy (anonymous):
yep