Field of play Football can be played on a natural or artificial (e.g. Astroturf) surface. However, the shape of the field must be rectangular, with the dimensions of 90-120 metres long by 45-90 metres wide. Notably, the guidelines for international matches are stricter (100-110 metres x 64-75 metres).
•Goal Area: Starts 5.5 metres from each goalpost and extends 5.5 metres out, with the two lines joining vertically
•Penalty Area: Starts 16.5 metres from each goalpost and extends 16.5 metres out, with the two lines joining vertically.
•Flagpost: Placed at each corner, with a quarter-circle on the field (1 metre in radius).
•Goals: 7.32 metre area between the posts, and 2.44 metres high. The posts cannot exceed 5 inches in width.
The ball
Naturally spherical, with a circumference of 27-28 inches.
Players, equipment players;
Each team consists of a maximum of eleven players (excluding substitutes), one of whom must be the goalkeeper. Competition rules may state a minimum number of players required to constitute a team; this is usually seven. Goalkeepers are the only one allowed to play the ball with their hands, provided they do so within the penalty area in front of their own goal. The eleven players are supplemented by the option to bring on a maximum of three substitutes from a pre-decided list of three to seven players (the number of substitutes permitted is higher for friendly matches). equipments; The basic equipment or kit players are required to wear includes a shirt, shorts, socks, footwear and adequate shin guards. Headgear is not a required piece of basic equipment, but players today may choose to wear it to protect themselves from head injury. Players are forbidden to wear or use anything that is dangerous to themselves or another player, such as jewellery or watches. The goalkeeper must wear clothing that is easily distinguishable from that worn by the other players and the match officials.
