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athitaya

how do you measure a curve???

  • 2 years ago
  • 2 years ago

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  1. agdgdgdgwngo
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    You mean out of a shape?

    • 2 years ago
  2. athitaya
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    yes, curved hexagon

    • 2 years ago
  3. agdgdgdgwngo
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    curved hexagon O.o

    • 2 years ago
  4. agdgdgdgwngo
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    do you mean a circle with an inscribed hexagon?

    • 2 years ago
  5. athitaya
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    no not really, its hard to explain , sorry

    • 2 years ago
  6. agdgdgdgwngo
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    just draw it :-P

    • 2 years ago
  7. amistre64
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    inch by inch

    • 2 years ago
  8. agdgdgdgwngo
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    that's how you normally approximate it, right

    • 2 years ago
  9. amistre64
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    |dw:1326317247010:dw|

    • 2 years ago
  10. amistre64
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    consider a given segment and approximate it with a straight line; distance = \(\sqrt{\Delta x^2 + \Delta y^2}\)

    • 2 years ago
  11. amistre64
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    as you make the change in x smaller and smaller you get a better approximation

    • 2 years ago
  12. amistre64
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    when you get to the infinitesimal level; the change in x and y are dx and dy

    • 2 years ago
  13. amistre64
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    \[\int_{a}^{b}\sqrt{dx^2+dy^2}\ ds\]

    • 2 years ago
  14. amistre64
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    ...curved hexagon? hmm

    • 2 years ago
  15. athitaya
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    thank you for your help

    • 2 years ago
  16. agdgdgdgwngo
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    right; use amistre's formula to approximate the length of curves and arcs in graphs.

    • 2 years ago
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