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

Nets solids of revolution. How to make pdf template

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

Spatial Cross

An example of what can be...

Dual pairs of polyhedra

What do the dodecahedron and icosahedron have in...

Polyhedra - Interior Items

Polyhedra can be an ornament to your home, creating a zest in the...

Polyhedra in nature. Part 2

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

Polyhedra in architecture. Alexandria Lighthouse

The Lighthouse of Alexandria, one of the Seven Wonders, was built in the 3d century BC in an...

Richard Sweeney's worlds

Young British designer, Richard Sweeney, creates amazing paper sculptures. Interestingly, regular...