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Mimi_x3

  • 4 years ago

A cylindrical metal container with base radius of r metres and height h metres holds 54πm^3. (a) Show that the surface area of the container is πr^2 +(108π/r) no lid.

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  1. Mimi_x3
    • 4 years ago
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    Easy ? Then help me then xD

  2. Mimi_x3
    • 4 years ago
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    Gosh , i h8 proving

  3. saifoo.khan
    • 4 years ago
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    S.A. of a cylinder = \[2\pi r + 2 \pi r h\]

  4. Mimi_x3
    • 4 years ago
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    I know that , im not stupid btw ,I need to show argh

  5. saifoo.khan
    • 4 years ago
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    Find the Radius first.

  6. saifoo.khan
    • 4 years ago
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    Volume = pi r h 54 = r * h

  7. saifoo.khan
    • 4 years ago
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    Still there is something missing!

  8. Mimi_x3
    • 4 years ago
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    What's missing ?>

  9. saifoo.khan
    • 4 years ago
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    Radius or Height.

  10. Mimi_x3
    • 4 years ago
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    LOL, nvm i already got help for another website xD . Thank you anyway (:

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