(a) Find the area A of the triangle with three given
Chapter 8, Problem 2(choose chapter or problem)
(a) Find the area A of the triangle with three given vertices (x1, y1), (x2, y2), and (x3, y3). (b) Let (x1, y1) be a vertex in the nite element method and let v(x, y) beitstrialfunction.LetT beoneofthetriangleswiththatvertexand let(x2, y2)and(x3, y3)beitsothertwovertices.Findtheformulafor v(x, y) onT.
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