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anonymous

  • 5 years ago

Find the outside surface area. Note that the container may not have a top. Assume a = 2 in., b = 1 in., c = 1.4 in., d = 2 in., e = 1.5 in.

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  1. anonymous
    • 5 years ago
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    excuse me, what do a, b, c, d, and e stand for?

  2. anonymous
    • 5 years ago
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    ya, what are a, b, c, d, and e

  3. anonymous
    • 5 years ago
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    and you did not mention the very thing is a sphere or cube or something else

  4. anonymous
    • 5 years ago
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    sorry im tryiing to get it right now

  5. anonymous
    • 5 years ago
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    The three rectangles: Area = ab + bc + bd The two triangles: Area = (1/2)ae + (1/2)ae = ae

  6. anonymous
    • 5 years ago
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    good, so you can see that the object is a triangular prism, specifically here with two identical triangles parallel to each other vertically. notice that the sides of the tri-prism are all rectangulars. set the outside surface area as S. then S=S1+S2+S3+S4(S1 stands for the area of the bottom triangle, S2, S3, S4 the areas of the front, left and the right sides.)=1/2*ae+ab+db+cb=...(do you still need the answer?)

  7. anonymous
    • 5 years ago
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    sklee, you probably ignore the important information that the container may not have a top!

  8. anonymous
    • 5 years ago
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    Ya, I just give it as included. So it depends on the full questions. If the container is open, then can just reduce (1/2)ae

  9. anonymous
    • 5 years ago
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    yes if you dont mind

  10. anonymous
    • 5 years ago
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    good!!!

  11. anonymous
    • 5 years ago
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    let's work out the answer as fast as possible

  12. anonymous
    • 5 years ago
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    ok.

  13. anonymous
    • 5 years ago
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    so i add up all the sides which comes out to 7.9 right?

  14. anonymous
    • 5 years ago
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    6.9, probably.

  15. anonymous
    • 5 years ago
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    7.9,!! I'm sorry.

  16. anonymous
    • 5 years ago
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    ok, ya i got 7.9

  17. anonymous
    • 5 years ago
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    wait, wait, 0.5*2*1.5+(2+1.4+2)*1=6.9

  18. anonymous
    • 5 years ago
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    kinna dizzy...

  19. anonymous
    • 5 years ago
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    is 6.9 the answer? so we have to multiply by 0.5?

  20. anonymous
    • 5 years ago
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    yep.

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spraguer (Moderator)
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