Answer:
Height of building is 76 feet.
Explanation:
In the figure below,
AB is the building , DE is the tree standing in half way between the state and building.
Let angle at C be
In ΔABC,
tan
=
tan
=
......(1)
In ΔDEC,
tan
=
tan
=
......(2)
Comparing (1) and (2) ,
=
⇒

Thus, Height of building is 76 feet.