New posts in solid-geometry

How would you make a (physical) dodecahedron with edges instead of faces?

polyhedra solid-geometry

Can the inscribed angle theorem be generalized to solid angles in 3D? And beyond to n-dimensional space?

geometry solid-geometry solid-angle

Why average area of the horizontal slices of the conical frustum doesn't work for it's volume?

volume solid-geometry

Name of this polyhedron with 17 faces

geometry terminology polyhedra solid-geometry

What is the minimal isoperimetric ratio of a polyhedron with $5$ vertices?

optimization polyhedra solid-geometry

minutes to fill a fountain

Volume of a pyramid, using an integral

calculus integration definite-integrals solid-geometry

Concentric Equilateral Triangles

geometry dynamical-systems euclidean-geometry triangles solid-geometry

Is the volume of a tetrahedron determined by the surface areas of the faces?

3d solid-geometry

Platonic Solids

group-theory finite-groups polyhedra solid-geometry platonic-solids

How to calculate the surface area of a cube given a diagonal?

geometry solid-geometry

Calculating the volume of the solid defined by $x^2+y^2+z^2 \leq 2a^2$ and $z \leq \frac{x^2+y^2}{a}$, with $a>0$

real-analysis integration volume solid-geometry

Calculate moment of inertia of body $T$ around $z$-axis

real-analysis integration solid-geometry

Overlap volume of three spheres

geometry 3d solid-geometry

Fitting a dodecahedron inside a cube

3d polyhedra solid-geometry platonic-solids

How to prove there are exactly eight convex deltahedra?

geometry polyhedra solid-geometry

What hexahedra have faces with areas of exactly 1, 2, 3, 4, 5, and 6 units?

geometry recreational-mathematics polyhedra solid-geometry

Any other Caltrops?

geometry recreational-mathematics polyhedra solid-geometry

Ellipsoid but not quite

3d solid-geometry ellipsoids

Prove that there is no convex polyhedron