Yes, a pentagon is a polygon.
It is a Pentegon
A house, or at least an irregular pentegon.
there is no such thing as an eight sided pentagon. You must mean a eight sided polygon. Which is an octagon.
what is the perimeter of a pentegon?
five
No, a pentagon is not a parallelogram.
There are no words in the English language that begin with the letters PENTEGON. Pentagon, pentagonal and pentagons are words that begin with the letters PENTAGON.
Pentagonal Prism
No, a hexagon cannot be a pentagon.
Yes.
A pentagon has five sides.
A pentagon has five vertices.