As can be seen from the problem,
Length = 50m, height = 2.5m,
Width = length ÷ 2 = 25m,
According to the meaning of the question, it can be listed as,
50×25+(50×2.5+25×2.5)×2
= 1250+( 125+62.5)×2
= 1250+375
=1625m2
Answer: The tile area is * * *1625m2.