The angle of depression of the top of the tower from the top of a building is `30^(@)` and angle of elevation of the top of the tower from the bottom

Monjur Alahi

The angle of depression of the top of the tower from the top of a building is `30^(@)` and angle of elevation of the top of the tower from the bottom of the building is `45^(@)` and if the height of the tower is 20 m, then find the height of the building.


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Salim Ahmed Kawsar

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Correct Answer - `(20(1+sqrt3))/(sqrt3)m`

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