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  #1  
Old 07-01-2000, 09:30 PM
castle_bravo castle_bravo is offline
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What are the equations for the surface area and volume of a sphere?
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  #2  
Old 07-01-2000, 09:33 PM
CalMeacham CalMeacham is offline
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Surface Area: Four times pi times radius squared

Volume: (4/3) times pi times radius cubed.

Notice how the Surface Area is the derivative of the volume. This is not chance.
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Old 07-01-2000, 09:38 PM
Jimpy Jimpy is offline
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Area 4*pi*r^2
volume 4/3*pi*r^3

from http://freeabel.geom.umn.edu/docs/re.../CRC-formulas/
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Old 07-01-2000, 10:01 PM
Larry Borgia Larry Borgia is offline
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great link, Jimpy!
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