Answer with reasons: (a) Can a polyhedron have exactly 3 triangular faces and no other faces? (b) Can a polyhedron have exactly 4 triangular faces and no other faces? (c) Can a polyhedron have one square face and four triangular faces?

Question

TextFaces, Edges and Vertices of SolidsClassification of Polyhedrons as Convex and Regular

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How many edges does a cuboid (like a brick) have?

Which of the following solids is not a polyhedron?

For a pentagonal prism, the numbers of faces (F), vertices (V) and edges (E) are:

A pyramid has 10 edges. Its base is a:

Which of the following is a regular polyhedron?

How many flat (plane) faces does a cylinder have?