How many triangle can be drawn with those points?
101734
$7$ points inside a circle at equal distances
81042
How can we draw $14$ squares to obtain an $8 \times 8$ table divided into $64$ unit squares?
15700
How to calculate how many polygons I can put inside a polygon?
110723
Catalan numbers and triangulation
108557
Tikz triangle with point colours
57689
How can I draw such faceted triangle patterns?
63314
Triangular Factorials
95527
How to draw a triangular prism in latex?
127185
How to test whether a set of four points can form a parallelogram
121084
Right triangles and tangent lines
137573
How many different numbers can you make with the following digits?
48339
A triangle with vertices on the sides of a square, with one at a midpoint, cannot be equilateral
149435
Arrange 10 points on five lines where each line(intersecting) has exactly 4 points
53861
N points on a Circle
61268
Is there a combinatorial interpretation of the triangular numbers?
48439
How to make all polygons into triangles
130109
Equilateral Triangle from three complex points