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Mathematics 14 Online
OpenStudy (rebeccapink6398):

can someone please help me with this surface area of the prism. picture is in the comments

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

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?

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

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?

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|

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?

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

OpenStudy (rebeccapink6398):

369222+1253880 is that what im supposed to do? @10115658

OpenStudy (anonymous):

yep

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