OMTEX CLASSES: A flag post stands on the top of a building. From a point on the ground, the angles of elevation of the top and bottom of the flag post are 60 degree and 45 degree respectively. If the height of the flag post is 10 m, find the height of the building.

A flag post stands on the top of a building. From a point on the ground, the angles of elevation of the top and bottom of the flag post are 60 degree and 45 degree respectively. If the height of the flag post is 10 m, find the height of the building.