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New posts in packing-problem
How many colors are necessary for a rectangle to never cover a color more than once?
combinatorics
tiling
packing-problem
Why are these geometric problems so hard?
geometry
recreational-mathematics
puzzle
open-problem
packing-problem
How many balls of radius 1 can be packed into a sphere of radius 10?
combinatorial-geometry
packing-problem
How many circles of a given radius can be packed into a given rectangular box?
geometry
packing-problem
Hexagon packing in a circle
geometry
euclidean-geometry
packing-problem
Kissing number for equal ellipses on the plane
geometry
conic-sections
packing-problem
If two non-overlapping squares inside a unit square have side lengths $a$ and $b$, prove that $a+b \le 1$.
euclidean-geometry
packing-problem
Triangles packed into a unit circle
contest-math
area
packing-problem
Can all circles of radius $1/n$ be packed in a unit disk, excluding the circle of radius $1/1$?
geometry
circles
discrete-geometry
packing-problem
Why can't three unit regular triangles cover a unit square?
geometry
euclidean-geometry
discrete-geometry
packing-problem
Putting many disks in the unit square
geometry
combinatorics
packing-problem
The most effective windshield-wiper setup. (Packing a square with sectors)
geometry
optimization
euclidean-geometry
plane-geometry
packing-problem
The Mathematics of Tetris
recreational-mathematics
problem-solving
packing-problem
parity
invariance
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