Question: Q7 (T=6, C=2) Marks (a: T3, C1, b: T3 C1) A triangle has vertices A (2, 5, 7), B (0,-3, 4) and C (5, 3,-4).

Q7 (T=6, C=2) Marks (a: T3, C1, b: T3 C1) A triangle has vertices A (2, 5, 7), B (0,-3, 4) and C (5, 3,-4). a) Examine largest angle in the triangle. b) Calculate the value of area of A ABC. a. b

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