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The centroid of ΔABC is (2, 7). If A = (4, 8), B = (a, 0) and C = (0, b), then(A) a = 2, b = 13(B) a = 2, b = 13(C) a = 13, b = 2(D) a = 2, b = -13 |
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Answer» Correct option (b) a = 2, b = 13 Explanation : By hypothesis (4 + a + 0)/3 = 2 and (8 + 0 + b)/3 = 7 This implies a = 2, b = 13. |
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