Side of the base of the pyramid: s=54 m
Height of the pyramid: h=260 m
Volumen of the building = Volumen of the pyramid = V=?
V=Ab*h/3
Area of the base = Area of a square = Ab=s^2=(54 m)^2→Ab=2,916 m^2
V=(2,916 m^2)*(260 m)/3→V=252,720 m³
Answer: The volume of the building is 252,720 m³