sweetheartkj sweetheartkj
  • 23-04-2017
  • Mathematics
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How do I solve these ?

How do I solve these class=

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zebsi0n
zebsi0n zebsi0n
  • 23-04-2017
I can't see the top one, but to solve #8, think about what would happen if you revolved a right triangle about itself. The base length would double, the height would stay the same, and you would result with a cone. Using the formula for the volume of a cone, you should be able to figure it out.
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