Minimum length required to connect 4 points in a square.
34210
Connecting square vertexes with minimal road
69859
How to make the simple three square box and connect them?
143170
Maximize and Minimize a 12" piece of wire into a square and circle
61816
Cut points and connected space
99559
Given x points that must be on the surface of a sphere, how should they be placed so they are a maximum distance from each other?
12396
Finding a 4th point in 3D space knowing 3 other points and 2 distances to the 4th point from them
103158
The smallest quadrangle inscribed in a rectangle
106485
Olympiad Geometry Problem
85332
Is $\mathbb{R}^4$ minus a line simply connected?
147351
The expected area of a triangle formed by three points randomly chosen from the unit square
82056
Quadrilateral problem with midpoints of diagonals
119304
Latin Square and Graph Theory
127185
How to test whether a set of four points can form a parallelogram
89748
Average distance between two random points in a square
147861
Packing squares into a circle
47342
Figure out if a fourth point resides within an angle created by three other points
58508
Number of ways to pair off $2n$ points such that no chords intersect