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Mathematics 7 Online
OpenStudy (anonymous):

Find the surface area of the right triangular prism below.

OpenStudy (anonymous):

OpenStudy (anonymous):

options are: 264 in2 246 in2 408 in2 384 in2

OpenStudy (anonymous):

@ganeshie8

OpenStudy (anonymous):

@pooja195

OpenStudy (anonymous):

@nincompoop

OpenStudy (anonymous):

@jim_thompson5910

OpenStudy (anonymous):

@e.mccormick

OpenStudy (anonymous):

@dan815

OpenStudy (anonymous):

@ganeshie8

OpenStudy (anonymous):

@dan815

OpenStudy (anonymous):

@nincompoop

jimthompson5910 (jim_thompson5910):

what do you have so far?

OpenStudy (anonymous):

I got C

jimthompson5910 (jim_thompson5910):

how did you get C?

OpenStudy (anonymous):

By adding all of the surface areas

OpenStudy (anonymous):

The triangles have dimensions of 8 by 6, and the three dimensions for the rectangles are 15 by 8, 6 by 15, and 10 by 15

OpenStudy (anonymous):

All of this is assuming my calculations are correct

OpenStudy (anonymous):

then I found the areas and added them together. Is it correct?

jimthompson5910 (jim_thompson5910):

you have the steps correct and the answer as well 2*(8*6/2)+15*8+15*6+15*10 = 408

OpenStudy (anonymous):

Thanks!

jimthompson5910 (jim_thompson5910):

np

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