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Height = 35

this pyramid can be inscribed in a truncated cone with base radii r = 35 mm and R = 55 mm

Height = 50

this pyramid can be inscribed in a truncated cone with base radii r = 25 mm and R = 50 mm

Height = 80

this pyramid can be inscribed in a truncated cone with base radii r = 20 mm and R = 50 mm

Architects have used the elements of polyhedra in designing their constructions since ancient...

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

The founders of the town called Mirniy, situated in Russia in Arkhangelsk region, put an image of...

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

(challenging task called “a star”)

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

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