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irishmolly

  • 2 years ago

What is the surface area of the cylinder? (Picture Provided)

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  1. irishmolly
    • 2 years ago
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    |dw:1343857272704:dw|

  2. irishmolly
    • 2 years ago
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    that is supposed to be a cylinder btw!

  3. julianassange
    • 2 years ago
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    Ok, so make a surface map to help you: ill draw it

  4. julianassange
    • 2 years ago
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    |dw:1343857362427:dw|

  5. julianassange
    • 2 years ago
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    That is the shape if you take it out, for example

  6. irishmolly
    • 2 years ago
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    Ok

  7. julianassange
    • 2 years ago
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    Wait, do u happen to have a textbook for this?

  8. julianassange
    • 2 years ago
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    Because the equation for it is the way to do it.

  9. irishmolly
    • 2 years ago
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    No, i wish i did

  10. julianassange
    • 2 years ago
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    Gimme a minute

  11. irishmolly
    • 2 years ago
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    do you know what the equation is to do it

  12. irishmolly
    • 2 years ago
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    ok

  13. julianassange
    • 2 years ago
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    Surface Area of a Cylinder = 2 pi r 2 + 2 pi r h

  14. irishmolly
    • 2 years ago
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    Okay, so let me try to do that on a calculator

  15. julianassange
    • 2 years ago
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    So, if you know the order of operations, this is fairly easy.

  16. irishmolly
    • 2 years ago
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    so 2 pi times 4 squared plus 2 pi times 4 times 15 ?

  17. irishmolly
    • 2 years ago
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    i got 427

  18. julianassange
    • 2 years ago
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    Wait... you said calculator, right?

  19. julianassange
    • 2 years ago
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    Because when you do this this is supposed to be done by not calculator, but paper and pencil.

  20. julianassange
    • 2 years ago
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    So, use the order of operations and you'll get the answer.

  21. irishmolly
    • 2 years ago
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    ok, thanks!

  22. julianassange
    • 2 years ago
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    No prob :D

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