the pentagon is a 5 sided shape that is a polygon.also the sides need to be straight
Sum of angles of pentagon = 540 degree
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It was named after a pentagon, it wasn't the 'Pentagon' that named the 'pentagon'.
Hexagon * * * * * A pentagon
Because it's shaped like a pentagon. A pentagon is a five-sized shape.
A regular pentagon does not. An irregular pentagon can.
has to be pentagon