The answer is ... 16 I think
The most densely populated European nation is the Vatican, located within Rome. It has 800 citizens with them living on a 0.17 miles squared, meaning there are 4,709 citizens per mile squared. This number might seem odd since it's much greater, but as Vatican is smaller than 1 mile, it cannot be compared without it becoming so big.
Answer:
Explanation:
The diagonal of a square is x units.
Let the side of a square is s.
Using pythagoras,
The area of the square is,
A = s²
So,
So, the area of a square is 
sq units.
All Canadian singers(:
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