Question: 3. For the triangular element shown, let point D. In each case, sketch the lines B A C = n = -1 at (a)
3. For the triangular element shown, let point D. In each case, sketch the lines B A C = n = -1 at (a) point A, (b) point B, (c) point C, and (d) = -0.5, 0,0, & 0.5 and n = -0.5, 0.0, & 0.5.
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