1.

The angle of elevation of the top of a tower from the point P and Q at distance of 'a' of and 'b' respectively from the base of the tower and in the same straight line with it are complementary.The height of the tower is1). $\sqrt{ab}$2). $\frac{a}{b}$3). ab4). $a^{2}b^{2}$

Answer» HELLO, $\SQRT{AB}$ is CORRECT


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