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Q2: (A=4, C=2) Show that the points A(3, 0, 4), B(1, 2, 5), and C(2, 1, 3) represent the vertices of a right triangle.

Q2: (A=4, C=2) Show that the points A(3, 0, 4), B(1, 2, 5), and C(2, 1, 3) represent the vertices of a right triangle. Calculate the perimeter of triangle ABC.

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