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3D model of a truncated icosahedron. In geometry, the truncated icosahedron is a polyhedron that can be constructed by truncating all of the regular icosahedron's vertices. . Intuitively, it may be regarded as footballs (or soccer balls) that are typically patterned with white hexagons and black pentag
The Tango España by Adidas was the official match ball of 1982 FIFA World Cup held in Spain. The Tango España had improved water resistant qualities through its rubberized seams. These proved to be not very durable and resulted in the ball having to be changed several times during some games.
The most familiar spherical polyhedron is the soccer ball, thought of as a spherical truncated icosahedron. The next most popular spherical polyhedron is the beach ball, thought of as a hosohedron. Some "improper" polyhedra, such as hosohedra and their duals, dihedra, exist as spherical polyhedra, but their flat-faced analogs are degenerate.
The Telstar was the first World Cup ball to use the now-familiar truncated icosahedron for its design, consisting of 12 black pentagonal and 20 white hexagonal panels. [ 2 ] [ 3 ] The 32-panel configuration had been introduced in 1962 by Select Sport , [ 4 ] [ 5 ] and was also used in the official logo for the 1970 World Cup. [ 6 ]
Telstar was the first 32-panel black-and-white ball used in the FIFA World Cup finals. Only 20 were supplied by Adidas. A brown ball (Germany-Peru) and a white ball (first half of Italy-Germany) were used in some matches. [5] [14] 1974: Telstar Durlast: The first polyurethane coated ball, making it waterproof and resistant to wear and tear. [5 ...
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A football or soccer ball is the ball used in the sport of association football. The ball's spherical shape, as well as its size, weight, mass, and material composition, are specified by Law 2 of the Laws of the Game maintained by the International Football Association Board . [ 1 ]
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