Pleasee help meee!! From the top A of a building 125m above the street ,the angle of elevation of the top of B of a second building on the opposite side is 18°36' and the angle of depression of the base of the second building from A is 39°48'
(a). Calculate the width of the street.
(b). Calculate the height of the wall on the opposite side
(c). A taut extension string connects points A and B. A bird spots an insect sitting at a point X on the string. X is three quarter way from A The birds landing at X causes vertical sag of 50cm on X. Calculate the angle of depression of X fro. B after the sag.​