An arbitrary triangle can be described by the coordinates of its three vertices: (x1, y1), (x2,...

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An arbitrary triangle can be described by the coordinates of its three vertices: (x1, y1), (x2, y2), (x3, y3), numbered in a counterclockwise direction. The area of the triangle is given by the formula, %33 – - x3y2 – xly3 + x3yl +xly2 - x2y1 A = Write a function getTriangleArea (vertices) that returns the area of a triangle whose vertices are specified by the argument vertices, which is a nested list of the vertex coordinates. An arbitrary triangle can be described by the coordinates of its three vertices: (x1, y1), (x2, y2), (x3, y3), numbered in a counterclockwise direction. The area of the triangle is given by the formula, %33 – - x3y2 – xly3 + x3yl +xly2 - x2y1 A = Write a function getTriangleArea (vertices) that returns the area of a triangle whose vertices are specified by the argument vertices, which is a nested list of the vertex coordinates.

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