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Tasks of a regular tetrahedron

by Patronas
Tags: regular, tasks, tetrahedron
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Patronas
#1
Jan7-12, 07:58 AM
P: 3
Hi everyone
Maybe you can help me cause I have problem with this task:

Calculate the surface area and volume of the polyhedron whose vertices are all means of tetrahedron edges
The edge of the tetrahedron = a

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