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If the angles of elevation of the top of a tower from three collinear points A, B and C, on a line leading to the foot of the tower, are 30∘, 45∘, and 60∘ respectively, then the ratio AB:BC is |
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Answer» If the angles of elevation of the top of a tower from three collinear points A, B and C, on a line leading to the foot of the tower, are 30∘, 45∘, and 60∘ respectively, then the ratio AB:BC is |
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