A tetrahedron inside another tetrahedron. Could the contained tetrahedron have a greater perimeter then the outside one?
32812
Can a tetrahedron lying completely inside another tetrahedron have a larger sum of edge lengths?
102192
Can someone explain geometric multiplicity?
45244
Why the statement "there exist at least one bound state for negative/attractive potential" doesn't hold for 3D case?
120912
Can two Pythagorean triples have the same product?
111292
Find all triangles of which perimeter and area are numerically equal
119111
How does this equality on vertices in the complex plane imply they are vertices of an equilateral triangle?
127866
Two triangles and their content ratio
17801
Isosceles triangle has the least perimeter among triangles on the same base with same area?
64920
Boundary Question in $\mathbb{R}^{2}$ (Manifolds)
65967
Projective geometry general question
145905
What is the probability that a point chosen randomly from inside an equilateral triangle is closer to the center than to any of the edges?
84813
Rectangle inscribed in a right triangle with largest perimeter
47342
Figure out if a fourth point resides within an angle created by three other points
62436
Behavior of Inner depends on List dimensions?
16412
Find the diameter of the new sphere assuming that the volume of a sphere is proportional to the cube of its diameter
24323
n points can be equidistant from each other only in dimensions $\ge n-1$?
126144
Test if a point is inside a 3D cuboid