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Emily778

Find the volume of the cone shown as a decimal rounded to the nearest tenth.

  • 11 months ago
  • 11 months ago

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  1. Emily778
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    • 11 months ago
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  2. crazycatlady
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    V = 1/3(pi)r^2*h

    • 11 months ago
  3. Emily778
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    is r 18?

    • 11 months ago
  4. Emily778
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    @crazycatlady

    • 11 months ago
  5. crazycatlady
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    No 18 is the diameter, the radius is half of the diameter

    • 11 months ago
  6. Emily778
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    I keep getting weird answers

    • 11 months ago
  7. Emily778
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    and I've tried multiple ways.

    • 11 months ago
  8. crazycatlady
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    3.14 * 81 * 26 then divide that number by 3

    • 11 months ago
  9. Emily778
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    you mean 18?

    • 11 months ago
  10. crazycatlady
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    no 9^2 = 81

    • 11 months ago
  11. Emily778
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    can you help me with another one?

    • 11 months ago
  12. Emily778
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    • 11 months ago
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  13. crazycatlady
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    its the same thing V = 1/3(pi)r^2*h in this case r = 8 and h = 17

    • 11 months ago
  14. Emily778
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    is the thing still 81, though?

    • 11 months ago
  15. crazycatlady
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    No, when you square something(^2) you will multiply the number by itself. So 8*8 = 64

    • 11 months ago
  16. Emily778
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    so it's: 3.14* 64* 17/3?

    • 11 months ago
  17. crazycatlady
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    Correct (:

    • 11 months ago
  18. Emily778
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    Thankyou.

    • 11 months ago
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