# Thread: Area in 3D plane graph

1. ## Area in 3D plane graph

Find the area described by
$\displaystyle x+y+z=L$ and $\displaystyle 0<x,y,z<\frac{L}{2}$
Is this the SAME area as $\displaystyle x+y+z = \frac{L}{2}$ and $\displaystyle x,y,z>0$?

Thanks~!

2. The first equation is off. x+y+z will be less than 3L/2 but not necessarily less than L/2