# Area in 3D plane graph

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• Apr 12th 2009, 10:03 AM
DivideBy0
Area in 3D plane graph
Find the area described by
$x+y+z=L$ and $0
Is this the SAME area as $x+y+z = \frac{L}{2}$ and $x,y,z>0$?

Thanks~!
• Apr 12th 2009, 11:26 AM
wytiaz
The first equation is off. x+y+z will be less than 3L/2 but not necessarily less than L/2