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The simple answer is no, because it has a curved surface. A polyhedron is made up of polygons. The curved portion of a cylinder is not a polygon. The circular faces are not polygons either, as they do not have at least 3 sides. This information provided by my 11 yr old Son. He's pretty smart.
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Why is a cylinder not a polyhedron?
A polyhedron is a 3 dimensional figure made of polygons. A cylinder is made of two circles and a rectangle around the middle. Since circles are not considered polygons (don't have straight edges), a cylinder cannot be a polyhedron. I just had a discussion about this with my math students today.
Is a rectangle a polyhedron?
yes it is a polyhedron
Is a cuboid a polyhedron?
no a cuboid is not a polyhedron if it was it would have 9 faces
Why decahedron is not a regular polyhedron?
It is not a regular polyhedron because it has unequal sides
What is the definition of polyhedron?
A polygon has many sides whereas a polyhedron has many faces as for example a pyramid
