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chicagoblkhaks

  • one year ago

What is the definition of a sphere? A. A two-dimensional figure where all points are equidistant from the center. B. A two-dimensional figure with circular bases. C. A three-dimensional figure where all points are equidistant from the center. D. A three-dimensional figure with circular bases.

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  1. chicagoblkhaks
    • one year ago
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    its gotta be B right?

  2. kirbykirby
    • one year ago
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    nope. A sphere looks like this: http://en.wikipedia.org/wiki/Sphere

  3. chicagoblkhaks
    • one year ago
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    soo A ?

  4. chicagoblkhaks
    • one year ago
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    or is that seriously a three dimensional shape?

  5. kirbykirby
    • one year ago
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    it's 3-dimensional

  6. kirbykirby
    • one year ago
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    it's like the 3-D version of a circle

  7. chicagoblkhaks
    • one year ago
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    okay so that makes it D then?

  8. chicagoblkhaks
    • one year ago
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    i looked it up yo double check and stuff came up as a sphere being 2-d .. so i was second guessing myself this whole time.

  9. RaphaelFilgueiras
    • one year ago
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    C

  10. kirbykirby
    • one year ago
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    yes it's C. Think of a circle... it has a center and all distances from the center to the circumference are the same length. This is analogous to the sphere where the distances from the center of the sphere to the surface of the sphere are the same length

  11. zzr0ck3r
    • one year ago
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    well technically a sphere is 2d(its very confusing) but in most cases when we say sphere we are talking about option 3.

  12. iheartfood
    • one year ago
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    two dimensional would be a circle... it would be flat. three dimensional is when it pops up... think 3D movies :) so spheres are the pop out versions of circles so i would say C is the best choice... @zzr0ck3r oh really?! they're considered 2D? i didn't know that :P lol

  13. zzr0ck3r
    • one year ago
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    A sphere is "surface , wrapped into a ball "

  14. zzr0ck3r
    • one year ago
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    its only the "skin" of a ball...

  15. chicagoblkhaks
    • one year ago
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    well thatas what i thought! and then it came up a 2D sphere and im sitting here like, nahh that cants be it, but i cant get this wrong cause then ill just feel stupid, but 2D, really? lol. im so glad i have you guys!

  16. zzr0ck3r
    • one year ago
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    A Ball in 2d is a circle, and in 3d is what we call a sphere, and there are balls in R^n for any n

  17. zzr0ck3r
    • one year ago
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    which is what this question( I believe ) is calling a sphere.

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