Count triangularizations of convex polygons such that each triangle created by triangularizations have atleast one side as polygon side.
68882
Path to Combinatorics Problem [$1.11$]
24685
Expressing a Countable Union of Sets as the Countable Union of Disjoint Sets (e.g. Eliminating Duplicate Intersections)
63314
Triangular Factorials
130436
bisectors of an angle in a triangle intersect at a single point - proof verification
23979
Inequality involving sides of a triangle
135182
Merge intersecting polygons into one which are part of the same feature
62126
Constructing a triangle given 2 sides and the inscribed circle's radius
114795
Closed form for the area of a convex cyclic n-gon, given the set of edge lengths
8469
Dividing an equilateral triangle into N equal (possibly non-connected) parts
27454
Calculate the area of an irregular cyclic convex polygon
116153
The Notorious Triangle Problem
125132
How can I (algorithmically) count the number of ways n m-sided dice can add up to a given number?
23916
Does 3-partite graph with at least n+1 edges per vertex have a triangle?
58091
Counting points in polygons using QGIS
128716
Intuitive/direct proof that a rectangle partitioned into rectangles each with at least one integer side must itself have an integer side
117349
counting triangles in a graph or its complement
131736
Proving a triangle with different edge colors exists in a graph.