Q2.

(10 points) The nodal coordinates of the triangular element are shown below. At the

interior point P, the Y coordinate is 2.7 and N₂ = 0.4. Determine N₁, N3 at point P.

Then determine the X coordinate at point P. Nodal coordinates are from nodes 1 to 3:

(5,1) (2,6) (-2,-2)