Q: Which shape has no flat surfaces?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

There can be no such shape. If there were a shape with n flat surfaces, then if you sliced off one vertex, you would have a shape with n+1 flat surfaces. So it is always possible to add one more flat surface.

A sphere

Cylinder

A sphere

There are two definitions for 'cuboid', but they both describe a shape with six flat surfaces (or 'faces').

Related questions

There can be no such shape. If there were a shape with n flat surfaces, then if you sliced off one vertex, you would have a shape with n+1 flat surfaces. So it is always possible to add one more flat surface.

a rectangle

cube There are a great many solid shapes that have only flat surfaces.

A cube

a cylinder

It is a cube or a cuboid

cylinder

There is no such shape.

Cylinder

A sphere

A sphere

There are two definitions for 'cuboid', but they both describe a shape with six flat surfaces (or 'faces').