anonymous
  • anonymous
Help! I give medals:) Pic below find the height and surface area of the right circular cylinder with the height equal to the diameter. Show work
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Height=2r Volume-128pic
1 Attachment
anonymous
  • anonymous
Surface area of a circle is \[r ^{2} \pi \] Volume is surface area of a circle multiplied by height. So, 128 = 2r * r (squared)*P
anonymous
  • anonymous
how do I solve for r?

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anonymous
  • anonymous
\[r ^{2}\pi * 2r = 182\] \[r ^{3}\pi=64 \] \[r = \sqrt[3]{20.37}\] r=2.73
anonymous
  • anonymous
OOh ok LOL Thank You so much :)
anonymous
  • anonymous
Numbers are weird, but that's the only way I see how it's done :)
anonymous
  • anonymous
as long as the answer n work r right that's all that matter in math LOL

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