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anonymous

  • 4 years ago

how do you find the surface area of a 3-d figure

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  1. Hero
    • 4 years ago
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    Find the area of each surface then add them up

  2. anonymous
    • 4 years ago
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    Use surface integrals

  3. anonymous
    • 4 years ago
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    it shows it in a format that you would find volume with though.

  4. anonymous
    • 4 years ago
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    If you know radial distribution of the surface integration in spherical coordinates would work wonders

  5. anonymous
    • 4 years ago
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    im only a 7th grader i dont really understand any of that

  6. anonymous
    • 4 years ago
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    I assume then you are trying to find the surface area of a cylinder, cube, cone, sphere, or some other geometric object. We have formulas that we can use to find the surface area....which do you want to know?

  7. anonymous
    • 4 years ago
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    rectangle prisms/ cubes/ triangular prisms

  8. anonymous
    • 4 years ago
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    you will need to add the lateral area which is the area of the faces and the area of the base for the prisms... the area of the cubes will be the area of one face times 6.

  9. anonymous
    • 4 years ago
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    do you have a specific question with edge lengths?

  10. anonymous
    • 4 years ago
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    b=8x5 the three numbers are 8 5 and 6

  11. anonymous
    • 4 years ago
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    can you give me a numerical equation for that?

  12. anonymous
    • 4 years ago
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    ok, just a sec

  13. anonymous
    • 4 years ago
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    thank you

  14. anonymous
    • 4 years ago
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    2x(LxW)+2x(LxH)+2x(WxH) 2x(8x5)+2x(8x6)+2x(5x6)

  15. anonymous
    • 4 years ago
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    2x40+2x48+2x30= 80+96+60= 236

  16. anonymous
    • 4 years ago
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    so if a cube had edges of nine in it would be 9x9x2 twice?

  17. anonymous
    • 4 years ago
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    in.*

  18. anonymous
    • 4 years ago
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    or 9x9x6?

  19. anonymous
    • 4 years ago
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    9x9x6

  20. anonymous
    • 4 years ago
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    ok.

  21. anonymous
    • 4 years ago
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    you have top and bottom left and right front and back

  22. anonymous
    • 4 years ago
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    sure, no problem.

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spraguer (Moderator)
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