Develop spatial imagination
0.00 $
0 item(s)
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.
Geometric dimensions of the finished pyramid (mm):
Length = 107
Width = 110
Height = 85
Popular
Polyhedra for the New Year's fairy tale
Make the New Year's holiday beautiful and unusual, so that the children saw in him a fairy tale,...
Why paper?
Sometimes you hear the question: “Why did you choose paper (or more precisely, design cardboard) to...
How to quickly make a TORUS from a sheet of paper
Want to make a fairly complex geometric solid - torus in 10...
Challenging task about a polyhedron
(challenging task called “the star”) It consists of 6 symmetrical small bars of complex shapes...
Polyhedra in architecture. Part 5
Architects have used the elements of polyhedra in designing their constructions since ancient...
Polyhedra in architecture. Alexandria Lighthouse
The Lighthouse of Alexandria, one of the Seven Wonders, was built in the 3d century BC in an...
