Square area with side 1001 equal to 1002001
A square is a regular quadrilateral with all angles equal and all sides equal. Moreover, all the angles of the square are equal to 90°.
Square area formula 
where a is the side of the square.
where d is the diagonal of the square.
where P is the perimeter of the square.Solution:
S =
a2
=
10012
=
1002001
Answer: the area of the square with the side 1001 equal to 1002001