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Romero

  • 3 years ago

Just wondering. Is the surface area of a sphere the circumference of the sphere squared?

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  1. Romero
    • 3 years ago
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    I meant the circumference of the regular circle right through the middle. \[2 \pi r\]

  2. pfenn1
    • 3 years ago
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    I made an error in the explanation. It should have been: No, because the circumference is given by\[2\pi r\]and the surface area is given by\[4πr^2\]The circumference squared would be \[4\pi^2 r^2\]

  3. MelanyN17
    • 3 years ago
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    Area is measured in square units. Volume is measured in cubic units. Surface Area- square units.

  4. Romero
    • 3 years ago
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    How do you derive the surface area of a circle?

  5. zzr0ck3r
    • 3 years ago
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    calculus

  6. zzr0ck3r
    • 3 years ago
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    you can do it with a double or tripple integral

  7. zzr0ck3r
    • 3 years ago
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    and Im sure many other ways

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