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

Need More Jack-o'-lanterns? Maybe Archimedes Will Help Us?

The Great Archimedes is ready to help us. And it's great! According to legends, Archimedes created...

Novotalitskaya school

Under the guidance of Tatyana Yurievna Timofeyeva, a teacher of mathematics, the guys worked on the...

A gift to a schoolboy to 9 USD

Find a gift for the schoolboy that will be interesting, useful, and not ruin the family budget - is...

How to master stereometry?

In geometry, the section which deals with three-dimensional figures is called stereometry. The...

Archimedean Polyhedra. How to make pdf template

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

Divide the icosahedron (into parts)

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

Rhombic dodecahedron 3D Calendar for 2021

The invention of the calendar is a remarkable event for humanity. The fact that a year consists of...