The angle of elevation of the top of a tower from the point P and Q at distance of 39 a 39 and 39 b ...........

Quantitative Aptitude ( CCS) Trignometry

The angle of elevation of the top of a tower from the point P and Q at distance of 'a' and 'b' respectively from the base of the tower and in the same straight line with it are complementary. The height of the tower is

√ab

a/b

a²b²

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Explanation:

Let, the height of the tower = h metre
Given, BP = a metre and BQ = b metre
And, ∠APB and ∠AQB are complementary.
∴ ∠AQB = Θ and ∠APB = (90° – Θ)
In ΔABQ,