Question

can a polyhedron have for its faces three triangles ?​

Answer 1

Answer:

Yes, a polyhedron has its faces a square and four triangles which makes a pyramid on a square base. Because all the eight edges meet at the vertices. Hence, a polyhedron can be made from 4 triangles and a square and four triangles. But it cannot be made from 3 triangles.

Answer 2

refer the attachment ✌️

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