Geometrical combinatorics with $(n+1)^2$ points inside a square that determine a triangle
57992
choosing points interior to a square
87431
$n-$circular arrangement problem
43398
Find possible number of triangles with integer sides for a given inradius
137072
Number Of Distinct Paths In A Rectangular Grid
377
Problem involving many squares and several variables.
58508
Number of ways to pair off $2n$ points such that no chords intersect
15976
Smallest possible triangle to contain a square
18482
Can the squares with side $1/n$ be packed into a $1 \times \zeta(2)$ rectangle?
64034
How to determine if a point is in a 2D triangle?
69748
Semi-Ambiguous Combinatorics Problem
116153
The Notorious Triangle Problem
35864
Playing with numbers form $1$ to $n^2$ in an $n\times n$ grid
41205
Help me solve a combinatorial problem
81975
Sequence of triangles with exponentiated sides
153072
Guessing a subset of $\{1,...,N\}$
83493
Map an arbitrary triangle to the unit square
134938
Committee combinatorics