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  • one year ago
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  1. TryingToLearn.
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    |dw:1359811673287:dw| This trapezium spins around line CD. Count the coming figures volume? What shape/form does it get?? If I just knew that and how long the borders are I'd know how to count it.. I just don't understand what shape is it supposed to get?

    • one year ago
  2. UnkleRhaukus
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    |dw:1359812911995:dw|

    • one year ago
  3. TryingToLearn.
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    Yeah but it's supposed to spin around the line CD. It's supposed to become some three-dimensional figure I think.

    • one year ago
  4. UnkleRhaukus
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    like this? |dw:1359814676128:dw|

    • one year ago
  5. UnkleRhaukus
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    to find the volume of the solid of revolution multiply the area by 2π

    • one year ago
  6. TryingToLearn.
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    thank you so much :) It makes sense now!

    • one year ago
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