What is the Mathematics behind the folding an A4 sheet in 3 equal parts??
45396
How can a piece of A4 paper be folded in exactly three equal parts?
14191
How many elements does the ring $ℤ[X]/(X^2-3,2X-4)$ have? Describe the structure of this ring.
53575
Describe $R=\mathbb{Z}[X]/(X^2-3,2X+4)$
133344
How exactly does Simon's algorithm solve the Simon's problem?
151326
Concurrency of the heights of a tetrahedron with opposite edges perpendicular.
141405
Drawing a tetrahedron from a parellelepiped to convince myself it is 1/6th the volume,
142967
Threeparttable centering
155459
How to find out the solid angle subtended by a tetrahedron at its vertex?
148147
Three circles having centres on the three sides of a triangle
25384
Printing A6 on A4 paper
60054
A fair 6-sided die is rolled 6 times, what's the probability the outcome has exactly 2 or 3 elements?
138428
Consistency in drawing `(Point A) to[bend right=30] (Point B)` in a `TikZ` diagram
32812
Can a tetrahedron lying completely inside another tetrahedron have a larger sum of edge lengths?
6398
Can the product of an $4\times 3$ matrix and a $3\times 4$ matrix be invertible?
103702
What is a/b/c/d? That is: What is the correct order for multiple consecutive division operations?
146820
How to find the length of a line in a tetrahedron
47342
Figure out if a fourth point resides within an angle created by three other points