Which objects can be made by folding a piece of paper and cutting parts of it?

a) polyhedron

Answer: A polyhedron can cannot be made by folding a piece of paper and cutting parts of it.

b) cylinder

Answer: A cylinder can cannot be made by folding a piece of paper and cutting parts of it.

c) cone

Answer: A cone can cannot be made by folding a piece of paper and cutting parts of it.

d) pyramid

Answer: A pyramid can cannot be made by folding a piece of paper and cutting parts of it.

e) sphere

Answer: A sphere can cannot be made by folding a piece of paper and cutting parts of it.