Answer:
The length of the building across the street is 250 feet.
Step-by-step explanation:
These are the measurements of the real building:
Height = 50 feet
Width = 50 feet
Length = 50 feet
These are the measurements of the building across the street:
Height = We don't know
Width = 50 feet
Length = 50 * 5 = 250 feet
The length of the building across the street is 250 feet.