Question

The elevation of the tap of a tower from a point of the ground is 45 degree in traveling 60 meter from the point towards the tower the elevation of the top becomes 60 degree the height of the tower (in metres) is?

Answer 1

done

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Answer 2

Answer:

94.641 m

Step-by-step explanation:

AB is the height of the tower

The angle of elevation of a tower at a point is 45 degree i.e. ∠ADC = 45°

After going 40 m towards the foot of the tower,the angle of elevation of the tower becomes 60 degree.i.e. ∠ACB = 60°

CD = 40 m

Let CB be x

In ΔABC

  ---1

In ΔADB

   -----2

With 1 and 2

AB = x+40=54.641+40=94.641 m

Hence the height of the tower is 94.641 m

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