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rachel/411

There is a cone inside a cube. The diameter of the cone is 4 cm. The length,height,and width of the cube are 6 cm each. What is the volume of the cube not occupied by the cone? ( Use three for pi )

  • one year ago
  • one year ago

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  1. rachel/411
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    @amistre64

    • one year ago
  2. RadEn
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    Vcube - Vcone

    • one year ago
  3. rachel/411
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    thanks. u use volume of rect prism for the cube?

    • one year ago
  4. RadEn
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    Vcone = 1/3 * pi*r^2*t Vcube = side*side*side

    • one year ago
  5. rachel/411
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    so 36*6-1/3*3*4^2

    • one year ago
  6. rachel/411
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    wait, the height of the cone is not given

    • one year ago
  7. rachel/411
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    only the diameter

    • one year ago
  8. RadEn
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    yeah, u didnt mention for heigh of cone ?

    • one year ago
  9. rachel/411
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    the only thing given is the diameter of the base. the cone is upside down inside the cube

    • one year ago
  10. rachel/411
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    and the only ,easurement given is the diameter..a line is across the circle/base and says 4 cm

    • one year ago
  11. rachel/411
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    What do you suppose the height is ?

    • one year ago
  12. RadEn
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    assume that the height of cone same with cube, maybe...

    • one year ago
  13. rachel/411
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    magbe. and so, what would the equation be?

    • one year ago
  14. RadEn
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    Vcone = 1/3 * pi*(2)^2*4 = 16pi/3 Vcube = 4*4*4 = 64 subtracted from Vcube, gives 64-16pi/3

    • one year ago
  15. rachel/411
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    thanks. ill calculate now.

    • one year ago
  16. RadEn
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    that's enough as the answer

    • one year ago
  17. rachel/411
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    is it 48 cm^3?

    • one year ago
  18. rachel/411
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    ok. thank u

    • one year ago
  19. rachel/411
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    but if asked for a specific one,would 48 suffice?

    • one year ago
  20. RadEn
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    just convert pi=3.14

    • one year ago
  21. rachel/411
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    they tell u to use 3 for pi

    • one year ago
  22. RadEn
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    it will easier, so funy... = 64 - 16*3/3 = 64 - 16 = 48 u r right :)

    • one year ago
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