# pentagon in Maths topic

From Longman Dictionary of Contemporary Englishpentagonpentagon noun [countable] ðŸ”Š ðŸ”Š CFa flat shape with five sides and five angles â€”pentagonal /penËˆtÃ¦É¡É™nÉ™l/ adjective

Examples from the Corpus

pentagonâ€¢ It is easy to see that there are 12 pentagons on the ball.â€¢ They are completely regular solids: each has all of its faces repeating a regular polygon, triangle, square or pentagon.â€¢ Two methods for construction of the regular pentagon.â€¢ The regular pentagon, in association with the hexagon, has been credited with magical powers throughout recorded history.â€¢ A group of six pentagons folds naturally to form a serrated hemisphere.â€¢ Folding of square, pentagon, ellipse, spider and tetrahedron.â€¢ All the magic of the pentagon is transferred to this solid.â€¢ For example, the square has four-fold symmetry, the pentagon has five-fold, the hexagon has six-fold symmetry.
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