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# Project News Polyhedr.com in October 2023

The famous illustrator of collectible card games Mark Tedin did not ignore polyhedrons, depicting one of the star shapes in his work:

Spatial cross

### Merkaba - energy polyhedron

According to some spiritual teachings, a polyhedron already familiar to us — a compound of two tetrahedra (stellated octahedron) — is not just a geometric form. This form is endowed with powerful energy and maybe even supernatural properties.

### 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 one of its sides?
We create a new geometric solid in space by rotation.

# Archimedes, a scientist from Ancient Greece, discovered thirteen types of polyhedra, now called Archimedean solids, referred to as semi-regular polyhedra.

### Divide the icosahedron (into parts)

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

### The star of hope

A star is an image of divine idea and will; due to them, our Light and Universe were created and started to exist in Space.

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

1. The radius of the sphere circumscribing the polyhedron;

2. The radius of the sphere inscribed in the polyhedron;

3. The surface area of the polyhedron;

4. The volume of the polyhedron.

# In the natural environment, regular polyhedra can be found in the form of crystals (minerals).

The form of the tetrahedron is transmitted by antimony sodium sulfate.

# Is it possible to cut a triangle into such several parts so that one can put a square together?

### Dual pairs of polyhedra

What do the dodecahedron and icosahedron have in common?