. Position vectors of two particles, A and B are given: A = 3i + 4j + 5k meters B = -4i + 2j - 7k meters Vector C is the position vector of particle C that is the cross product of vectors A and B (C = A x B). Together, particles A, B, and C become vertices of a triangular plane in space. A). What is the perimeter of the triangle that is formed by the three particles? B). What is the area of the triangle that is formed by the three particles?

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