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

Mathematical properties of the Platonic solids

One can specify the following mathematical characteristics in each of the five Platonic solids: 1....

Challenging task about a polyhedron

(challenging task called “a star”)

Which glue to choose?

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

Divide the icosahedron (into parts)

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

Magic sides in points of shipment at own expense

For your convenience we have reduced the cost of delivery of the sets "Magic Sides" many times!

Richard Sweeney's worlds

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

Natural polyhedra. Part 2

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