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Zara

  • 3 years ago

S = 2*pi*d*sqrt(d^2+h^2) rearrange to make h the subject

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  1. estudier
    • 3 years ago
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    Square everything first...

  2. Zara
    • 3 years ago
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    would I not divide everything by 2*pi*d first?

  3. estudier
    • 3 years ago
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    Ok, do that first...

  4. Zara
    • 3 years ago
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    S/(2*pi*d)=sqrt(d^2+h^2)

  5. estudier
    • 3 years ago
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    Square everything...

  6. Zara
    • 3 years ago
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    (S/(2*pi*d))^2=d^2+h^2

  7. estudier
    • 3 years ago
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    Subtract d^2 and then square root...

  8. Zara
    • 3 years ago
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    (S/(2*pi*d))^2-d^2=h^2 h=sqrt((S/(2*pi*d))^2-d^2)

  9. estudier
    • 3 years ago
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    Good enough?

  10. Zara
    • 3 years ago
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    So is this my answer:

  11. Zara
    • 3 years ago
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    Thank you very much! :)

  12. estudier
    • 3 years ago
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    yw:-)

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