What is the height of the building at 57″ from the base of a building looking up at 55 degrees to see the top of the building ?

Check the following image.

At 57″ from the base of a building you need to look up at 55° to see the top of a building. What is the height of the building?

Write a full program that uses the given data above (these are fixed  data, so there is no need to ask the user for them) to calculate the  height of the building.