Additivity of cross product
- Author:
- cgole
This shows additivity of parallelogram area:
area(AC, AE+AB) = area(AC, AE)+ area(AC, AB):
That's because the parallelograms ABDC and AIJC have same area
and so do BFHD and IFHJ.
This is a visualization to show that the
cross product is bilinear.