Anything set of numbers that you like - as long as the sum of any four sides is greater than the fifth side.
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In 2 dimensions, a regular 5 sided figure is a pentagon. In 3 dimensions, there is no regular sided 5 sided figure. The tetrahedron is a regular 4 sided figure and a cube is a regular 6 sided figure.
pentagon A pentagon. A 5-sided figure is called a pentagon. pentagon A five sided figure is called a pentagon
An irregular pentagon can. A regular pentagon cannot.
a 3D pentagon
A pentagon has five sides.