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/sci/ - Science & Math

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>> No.6674131 [View]
File: 34 KB, 1275x718, normal_vector_add.png [View same] [iqdb] [saucenao] [google]
6674131

>>6674114
The normal on each side is just 90 degrees rotated... take each side's normal and scale it to the same length as the side (so longer side has longer normal because more force acting on it)... add the normals "tip to tail" and you end up with exactly a 90-degree-rotated version of the trapezoid.

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