Definition, Meaning & Synonyms

pentagon

Noun
/ˈpɛntəˌɡɒn/
Definition
A five-sided polygon or a geometric figure with five angles.
Examples
  • The shape of the building was a pentagon.
  • In geometry class, we learned to calculate the area of a pentagon.
  • The Pentagon is located in Arlington, Virginia and serves as the headquarters of the United States Department of Defense.
Meaning
In geometry, a pentagon is a shape made up of five straight sides and five angles. The sum of the interior angles of a pentagon is 540 degrees.
Synonyms
  • five-sided figure
  • pentangular shape