sir this is the question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and distances
we have been given that At a point on level ground,
the angle of elevation of a vertical lower is found to be such that its tangent is 5/12.
On walking 192 m towards the tower, the tangent of the angle is found to be ¾.
wehave to Find the height of the tower.
question no 21 , heights and distances , ICSE board, ML Aggarwal