sir this is the important question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and distances
it is given that In the figure, not drawn to scale, TF is a tower.
The elevation of T from A is x0 where tan x = 2/5 and AF = 200 m.
The elevation of T from B, where AB = 80 m, is y0.
Calculate: (i) the height of the tower TF.
(ii) the angle y, correct to the nearest degree.
question no 22 , heights and distances , ICSE board