HOW MUCH LAND IS REQUIRED TO BIULD A 75,000 capacity stadium with two addition halls seating 1500 poeple each

Question

this land should incude a 100 car packing space., and a duplex .

Answer 1

Where are the 75,000 going to park?

You need 1,000 ft x 1,000 ft or 23 acres minimum. This gives you just the stadium and the additional halls.

You need to think about parking and roads coming to and from the stadium.