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waheguru

  • 2 years ago

help fast

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  1. waheguru
    • 2 years ago
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  2. henkjan
    • 2 years ago
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    surface area of a sphere: A = 4*pi*r^2

  3. waheguru
    • 2 years ago
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    so how much money???

  4. waheguru
    • 2 years ago
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    im getting 541 dollars

  5. henkjan
    • 2 years ago
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    use r = 0.124 Find A with this r for the price use: A*28

  6. waheguru
    • 2 years ago
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    so what are u getting for the price

  7. henkjan
    • 2 years ago
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    You have over 20 square meter of surface on a basketball?!

  8. waheguru
    • 2 years ago
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    cant i use 12.4 as the radius and then divide by 100 to get the meters

  9. henkjan
    • 2 years ago
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    A = 4*pi*0.124^2 Price = A*28 Use your calculator

  10. henkjan
    • 2 years ago
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    no, you have to divide by 100*100 as you are now talking about surface (=cm*cm or m*m)

  11. waheguru
    • 2 years ago
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    why

  12. henkjan
    • 2 years ago
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    Let's say you have 1 meter by 1 meter of paper..... 1 square meter.... this square meter holds 100 times 100 square centimeter pixels...

  13. waheguru
    • 2 years ago
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    oh thankyou

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