Find the value of the 2-form on the oriented triangle with vertices .

I drew the projection of the triangle on each of the coordinate planes. Now what do I do? Do I compute the area of the triangle on the plane?

Because

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- November 10th 2007, 11:45 AMshilz2222-forms
Find the value of the 2-form on the oriented triangle with vertices .

I drew the projection of the triangle on each of the coordinate planes. Now what do I do? Do I compute the area of the triangle on the plane?

Because - November 10th 2007, 12:21 PMshilz222
Is the basically the sum of the areas in the projected planes?

- November 10th 2007, 12:34 PMshilz222
The answer is . And if it is a 2 form then it has to be assigned a number to a oriented surface. Maybe I should draw a prism?

- November 10th 2007, 12:55 PMshilz222
I think I got it. Its .

I ended up getting - November 10th 2007, 01:52 PMshilz222
But if the surface is not a triangle then you can't do this right?