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26. Given the points of a triangle; A (3, 5, -1), B (7, 4, 2) and C (-3, -4, -7). Determine the area of the

26. Given the points of a triangle; A (3, 5, -1), B (7, 4, 2) and C (-3, -4, -7). Determine the area of the triangle. [4 Marks]

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