Question

can a
polyhedron have for its faces?
a) 3 triangles?
) b) a square and four triangles?​

Answer 1

Answer:

A polyhedron has to have a minimum of four faces. Hence (i) is not possible but (ii) and (iii) are possible.

A polyhedron with 4 triangles as faces is called a triangular pyramid and one with one square and four triangles is called a square based pyramid

Answer 2

Answer:

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