0.00 $
 0 item(s)

Regular ninth-angle pyramid

Regular 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.
Regular ninth-angle pyramid
net Regular ninth-angle pyramid
 

Geometric dimensions of the finished pyramid (mm):
Length = 107
Width = 110
Height = 85

 

 
 

Popular

Polyhedra in architecture. Part 1

Architectural masterpieces located in different parts of the world reflect the human soul. Secret human...

Which glue to choose?

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

Challenging task about a polyhedron

(challenging task called “the star”) It consists of 6 symmetrical small bars of complex shapes...

A Note on Archimedes - Ancient Greek Scientist

ARCHIMED (287 - 212 BC) - Ancient Greek mathematician, physicist and mechanic. Archimedes is the...

Polyhedra in architecture. Part 3. The Lighthouse of Alexandria

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

Archimedean Polyhedra

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