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Kris5

  • 2 years ago

Which expression represents the volume, in cubic cm., of the cylinder represented in the accompanying diagram?

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  1. Kris5
    • 2 years ago
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    |dw:1332788283197:dw|

  2. Kris5
    • 2 years ago
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    I wrote 27 cm. and 12 cm.

  3. hoblos
    • 2 years ago
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    volume of cylinder= hπr²

  4. Kris5
    • 2 years ago
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    the options given are: 1) 972 pie 2.) 162 pie 3.) 324 pie. and 4.) 3,888 pie

  5. hoblos
    • 2 years ago
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    here h=27 r=12/2 =6 V=27(6)²(π) = 972π

  6. Kris5
    • 2 years ago
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    oh thank you so much :)

  7. hoblos
    • 2 years ago
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    my pleasure :)

  8. Kris5
    • 2 years ago
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    wait sorry, how'd you get that answer...isn't π= 3.14? does that mean you multiplied 27 (6) ^2 (3.14)?

  9. hoblos
    • 2 years ago
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    you keep it as it is (972π) since it is found like this in the options.. so no need to multiply by 3.14

  10. Kris5
    • 2 years ago
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    Ohhh alright, I understand now ! :) thanks again.

  11. hoblos
    • 2 years ago
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    no problem XD

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