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

Natural polyhedra

In natural environments regular polyhedra can be found in the form of crystals (minerals). Sodium...

Dual pairs of polyhedra. Part 2

What is the relationship between an octahedron and a cube?

Nets solids of revolution

What happens if a flat geometric shape, such as a rectangle, begins to rotate rapidly relative to...

Richard Sweeney's worlds

Young British designer, Richard Sweeney, creates amazing paper sculptures. It is interesting that...

Divide the icosahedron (into parts)

Is it possible to make up an icosahedron using more simple polyhedra?

Polyhedron as an emblem of the town

The founders of the town called Mirniy, situated in Russia in Arkhangelsk region, put an image of...

Children's playground

Summer is the time that you want to spend outdoors. Children will sit at the desk in September,...