There is a square that vertices are (0,0) (0,2) (2,0) (2,2)
125702
There is a square $Q$ consisting of $(0,0), (2,0), (0,2), (2,2)$
12079
A positive polynomial is the sum of two squares in $\mathbb{R}[X]$
138006
Finding the area of the shaded square inside a square created by connecting point-opposite midpoint
134
Prove that the expression is a perfect square
112644
The product of two numbers that can be written as the sum of two squares
24477
Monochromatic squares in a colored plane
11506
Alternative proof that $(a^2+b^2)/(ab+1)$ is a square when it's an integer
79631
Find a graph on eight vertices with a pair of pseudosimilar vertices
71591
Formula for completing the square?
50615
Expressing a Non Negative Integer as Sums of Two Squares
66216
Squares, Cubes and Prime numbers
32350
Compilation of proofs for the summation of natural squares and cubes
114863
Representing a given number as the sum of two squares.
116307
Polynomial whose only values are squares
130851
Squaring the plane, with consecutive integer squares. And a related arrangement
33735
The square of an integer is congruent to 0 or 1 mod 4
66474
Cutting a rectangle into squares