Pentagon: meaning, definitions and examples

Etymology

• The word 'pentagon' comes from the Greek words 'penta' meaning five and 'gonia' meaning angle.
• It's been used in geometry since the 16th century to describe five-sided shapes.

Architecture

• The Pentagon building in the United States is one of the largest office buildings in the world, designed by architect George Edwin Bergstrom.
• Construction of the Pentagon began in 1941 and was completed in just 16 months, reflecting rapid military needs during World War II.

Pop Culture

• The Pentagon has appeared in numerous films and TV shows, often depicted as a symbol of military power and strategy.
• Songs and literature referencing it often highlight themes of war, politics, and governance.

Geometry

• A regular pentagon has five equal sides and angles, with internal angles measuring 108 degrees each.
• Pentagons are classified as convex if all interior angles are less than 180 degrees.

History

• The Pentagon's design was influenced by the need for space efficiency and performance capabilities during wartime.
• It serves as the headquarters of the United States Department of Defense, playing a crucial role in national security since its opening.

This word's position of #30,146 indicates it's among the more rare English words. While understanding it broadens your vocabulary, focus on more common words first.

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• 30145 harping
• 30146 pentagon
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