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anonymous

  • one year ago

how to solve for pi in SA=2*pi*r^2+2*pi*r*h

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  1. DanJS
    • one year ago
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    you want to solve that for pi ?

  2. anonymous
    • one year ago
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    yeah its a manipulation of equations

  3. DanJS
    • one year ago
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    ok....

  4. DanJS
    • one year ago
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    really all you have to do is factor the pi out of both terms on the right side, then divide the SA by all that stuff that is left

  5. anonymous
    • one year ago
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    but how do i factor out pi on both sides

  6. DanJS
    • one year ago
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    \[SA = \pi *[~2r^2 + 2rh~]\]

  7. anonymous
    • one year ago
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    ohh

  8. DanJS
    • one year ago
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    yeah , then divide both sides by all tha tin the bra kets

  9. anonymous
    • one year ago
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    ok thank you

  10. DanJS
    • one year ago
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    \[\pi = \frac{ SA }{ 2r^2+2rh } \] for right circular cylinder... welcome

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