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rachel/411

  • 2 years ago

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 )

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  1. rachel/411
    • 2 years ago
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    @amistre64

  2. RadEn
    • 2 years ago
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    Vcube - Vcone

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

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

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

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

  7. rachel/411
    • 2 years ago
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    only the diameter

  8. RadEn
    • 2 years ago
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    yeah, u didnt mention for heigh of cone ?

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

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

  11. rachel/411
    • 2 years ago
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    What do you suppose the height is ?

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

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

  14. RadEn
    • 2 years ago
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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

  15. rachel/411
    • 2 years ago
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    thanks. ill calculate now.

  16. RadEn
    • 2 years ago
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    that's enough as the answer

  17. rachel/411
    • 2 years ago
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    is it 48 cm^3?

  18. rachel/411
    • 2 years ago
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    ok. thank u

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

  20. RadEn
    • 2 years ago
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    just convert pi=3.14

  21. rachel/411
    • 2 years ago
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    they tell u to use 3 for pi

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

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