Squaring the plane with consecutive integer squares. And a related arrangement.
130851
Squaring the plane, with consecutive integer squares. And a related arrangement
91560
Square Fibonacci numbers
82056
Quadrilateral problem with midpoints of diagonals
86067
A Variation of the even-town odd-town problem
157079
Maximal cardinality of a family of pairwise disjoint "figure eights" in the plane
66474
Cutting a rectangle into squares
58171
Two problems about Squarefree numbers
101642
Counting in a rectangular grid with obstacles
66216
Squares, Cubes and Prime numbers
114164
Square-free Integers Factorization
134440
An unexpected application of non-trivial combinatorics
132070
A challenge on the parabola
46469
$n$ Lines in the Plane
111042
A geometry problem from high school Olympiad selection round
125702
There is a square $Q$ consisting of $(0,0), (2,0), (0,2), (2,2)$
114258
Stuff which squares to $-1$ in the quaternions, thinking geometrically.
18932
Squares in arithmetic progression