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Vocabulary Entry
pentagon
|noun • noun
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N
noun
A polygon with five sides and five angles.
Example Sentences
"A pentagon has five sides."
"She drew a perfect pentagon."
"The diagram shows a regular pentagon."
N
noun
A building in the shape of a pentagon, especially the headquarters of the U.S. Department of Defense.
Example Sentences
"He works at the Pentagon."
"The Pentagon is in Washington, D.C."
"News reporters gathered outside the Pentagon."