pentagon به انگلیسی
From Longman Dictionary
pentagon noun [countable]
a flat shape with five sides and five angles
یک شکل مسطح با پنج ضلع و پنج زاویه
Example
It is easy to see that there are 12 pentagons on the ball
They are completely regular solids: each has all of its faces repeating a regular polygon, triangle, square or pentagon
Two methods for construction of the regular pentagon
A group of six pentagons folds naturally to form a serrated hemisphere
Folding of square, pentagon, ellipse, spider and tetrahedron