0.00 $
 0 item(s)

Truncated ninth-angle pyramid

Truncated ninth-angle pyramid
At the base of the pyramid is the right ninth-corner (all sides are equal, the angles between the sides are 140 degrees).
 
The height of the pyramid is exactly in the center of the nine-cornered base.
Truncated ninth-angle pyramid
net truncated ninth-angle pyramid
 

Geometric dimensions of the finished pyramid (mm):
Height = 35

this pyramid can be inscribed in a truncated cone with base radii r = 35 mm and R = 55 mm

Truncated ninth-angle pyramid
net truncated ninth-angle pyramid
 

Geometric dimensions of the finished pyramid (mm):
Height = 50

this pyramid can be inscribed in a truncated cone with base radii r = 25 mm and R = 50 mm

Truncated ninth-angle pyramid
net truncated ninth-angle pyramid
 

Geometric dimensions of the finished pyramid (mm):
Height = 80

this pyramid can be inscribed in a truncated cone with base radii r = 20 mm and R = 50 mm

 

Popular

Archimedean Polyhedra

Archimedes, a scientist from Ancient Greece, discovered thirteen types of polyhedra, now called...

On Cosmonautics Day, let's bring the stars

  There are coincidences, which we do not even suspect. April 12 - Cosmonautics Day!...

Truncated great dodecahedron from metal

The monument to the “Truncated large dodecahedron” polyhedron was discovered in Obninsk (Russia)...

Polyhedra in architecture. Part 5

Architects have used the elements of polyhedra in designing their constructions since ancient...

Polyhedra in nature. Part 2

In the micro-world, polyhedra are found in the form of molecules, viruses and bacteria - the...

Regular Polyhedrons

There are five regular polyhedra: a tetrahedron, an octahedron, a cube (also known as a...

Which glue to choose?

At first glance it may seem that the choice of glue, the task is quite simple, especially for...