Question

1. Can a polyhedron have for its faces
(i) 3 triangles?
(iii) a square and four triangles?​

Answer 1

(i)Yes a polyhedron can have 3 triangles
(iii) Yes a polyhedron can have a square and 4 triangles

Answer 2

$\huge\fbox{ \red{ Required Solution✔} }$

★Solution:

(i) No, because polyhedron must have edges meeting at vertices which are points.

(iii) Yes, because all the eight edges meet at the vertices.

Hope it helps u!! :D