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Rae<3Rae Group Title

Mel is making a paper tepee, as shown below. What is the area of the paper required to make the lateral surface of the tepee? 37.7 cm2 69.1 cm2 603.3 cm2 301.7 cm2 it would help alot if someone explained it to me i do not get it?:/

  • one year ago
  • one year ago

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  1. Rae<3Rae Group Title
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    here is the picture

    • one year ago
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  2. slaaibak Group Title
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    Do you know the formula for the surface area of a cylinder pyramid thing?

    • one year ago
  3. Rae<3Rae Group Title
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    no

    • one year ago
  4. slaaibak Group Title
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    oh mybad, you call it a cone. The formula is \[Surface Area = \pi \times radius^2 + \pi \times radius * height\]

    • one year ago
  5. dakotajason27 Group Title
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    Rae well the formula for surface area of a cone is 1/2 [pi x D x slant height] so plug in your numbers and solve

    • one year ago
  6. Rae<3Rae Group Title
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    1 sec

    • one year ago
  7. slaaibak Group Title
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    (height is the slant height in my formula) Dakota I think you are confused. That's not the formula.

    • one year ago
  8. Rae<3Rae Group Title
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    would the radius be 12 or 6?

    • one year ago
  9. slaaibak Group Title
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    6

    • one year ago
  10. dakotajason27 Group Title
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    well mine gets one of the answers offered yours doesnt try working it out slaaibak

    • one year ago
  11. Rae<3Rae Group Title
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    i got 414.48 that answwer isnt up there

    • one year ago
  12. dakotajason27 Group Title
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    Rae try my method plz i got the right answer!

    • one year ago
  13. Rae<3Rae Group Title
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    ok 1 sec

    • one year ago
  14. slaaibak Group Title
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    They don't include the bottom surface it seems. Then just don't add the bottom surface. It reduces to Area = pi * radius * slant height

    • one year ago
  15. slaaibak Group Title
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    *surface area

    • one year ago
  16. Rae<3Rae Group Title
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    what is D?

    • one year ago
  17. dakotajason27 Group Title
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    Therefore i am not confused slaaibak ;) and d is diameter

    • one year ago
  18. Rae<3Rae Group Title
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    i mean what is the diameter

    • one year ago
  19. slaaibak Group Title
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    I agree, but you stated the "surface area of a cone is" which is false. But I see your point. Lateral surface. Diamater is twice the radius.

    • one year ago
  20. Rae<3Rae Group Title
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    ok i got 113.04 can i just get hte answer

    • one year ago
  21. dakotajason27 Group Title
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    it should be 1/2[ pi x 12 x 16} pi = 3.14

    • one year ago
  22. Rae<3Rae Group Title
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    i have tried to figure this out 50 times and i cannot get the right answer

    • one year ago
  23. Rae<3Rae Group Title
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    ok how do i get the answer from here: 1/2 (226.08)

    • one year ago
  24. dakotajason27 Group Title
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    just multiply everything out and leave the pi until the very end then multiply by pi

    • one year ago
  25. Rae<3Rae Group Title
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    can i just get the answer now i got 1205.76

    • one year ago
  26. dakotajason27 Group Title
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    omg [12 x 16pi] =192pi then 1/2[192] = 96pi then (96)(3.14) solve! i cant just give u the answer work it out

    • one year ago
  27. dakotajason27 Group Title
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    u need help figure it out i just worked it out for you! geez its not rocket science just multiply!!!!!!!!!!

    • one year ago
  28. Rae<3Rae Group Title
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    and i have the answer i got it before your last thing with the equations

    • one year ago
  29. Rae<3Rae Group Title
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    thanks!

    • one year ago
  30. Rae<3Rae Group Title
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    slaaibak what are you trying to write?

    • one year ago
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