If the angle of elevation of the top of a tower from two points distant a and b

Question

If the angle of elevation of the top of a tower from two points distant a and b from the base and in the same straight line with It are complementary, then the height of the tower is

Options:

A . $$ab$$

B . $$\sqrt {ab} $$

C . $$\frac{a}{b}$$

D . $$\sqrt {\frac{a}{b}} $$

Answer: Option B

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