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Bookmark or Share- Pentagon History: 7 Big Things to Know - U.S. Department of DefenseThe Pentagon is a universal symbol of U.S. strength and security known around the world, but do you know the history behind it?
- Pentagon CalculatorWith this pentagon calculator, you'll find essential properties of a regular pentagon: side, diagonal, height, perimeter, and area, as well as the circumcircle and incircle radius. Type any value, and the remaining parameters will be calculated on the spot.
- Pentagon - WikipediaIn geometry, a pentagon (from Greek πέντε (pente) 'five' and γωνία (gonia) 'angle' [1]) is any five-sided polygon or 5-gon. The sum of the internal angles in a simple pentagon is 540°. A pentagon may be simple or self-intersecting .
- Definition, Properties | Pentagon Sides | 5 Sided Shape - CuemathIn geometry, a pentagon is a five-sided polygon with five straight sides and five interior angles, which add up to 540°. Learn more about Pentagon, Regular and Irregular Pentagons and their shape with Formulas, Definitions, Examples, Properties, Area, Perimeter, etc.
- Pentagon – Definition, Shape, Properties, Formulas - Math MonksA pentagon is a closed and flat geometrical shape having five straight sides and five angles. The word ‘pentagon’ came from the Greek word ‘pente’ meaning ‘five’ and ‘gonia’ meaning ‘angle’.
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