1.

If the angles of elevation of the top of a tower from two points at distances a and b from the base and in the same straight line with it are complementary then the height of the tower is (a) √ab (b) √ab (c) √a+b (d) √a−b

Answer»

If the angles of elevation of the top of a tower from two points at distances a and b from the base and in the same straight line with it are complementary then the height of the tower is

(a) ab

(b) ab

(c) a+b

(d) ab



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