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