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Applications of integration : the line segment x=1-y , 0 <or equal x <or equal 1 is revolved about the y-axis to generate a cone . find its LATERAL surface area.

  • one year ago
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  1. RaphaelFilgueiras
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    |dw:1339160052902:dw| S=pi.1.sqrt(2)

    • one year ago
  2. Avva
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    I am supposed to use integration to solve ,, for surface area \[s=2\pi \int\limits_{a}^{b} X dL\] but I guess we need to edit this equation to calculate the lateral surface area but I don't know what is it??

    • one year ago
  3. Avva
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    The area of the curved (lateral) surface of a cone = πrl I guess I'll remove the 2 from the equation right ? in order to calculate it

    • one year ago
  4. RaphaelFilgueiras
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    hum, i dont remeber it

    • one year ago
  5. RaphaelFilgueiras
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    i will look in my calc book

    • one year ago
  6. Avva
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    I calculated it and figured out it is the same I misunderstood something Thank you the 2 pi in the equation is the revolution of the area it means it will revolve one complete revolution THANKS

    • one year ago
  7. RaphaelFilgueiras
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    |dw:1339161279772:dw|

    • one year ago
  8. Avva
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    Many Thanks @RaphaelFilgueiras

    • one year ago
  9. RaphaelFilgueiras
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    you are welcome

    • one year ago
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