What does the regular football frame look like please consult the basic knowledge of football

Ask for basic knowledge of football
There are 11 people in each team in the official football (American) game. In the attack group, there are 6 legal receivers, and the other 5 are frontline, responsible for blocking and covering. The competition is conducted on a rectangular flat field, which is composed of a competition area and a touchdown area. The competition area is 100 meters long and 70 meters wideAsk for the standard size of football goal
Each detachment consists of three types of players: the attack group, which is responsible for the attack; Defense team, responsible for defense; Special team, responsible for special situations - kick-off, shot and kick-off. In any case, one side can only have 11 players on the court. The clothes of American football players are as colorful as the playing field. FootballFootball rack height
The goal of rugby is like a capital letter h. The two goalposts are 5.64 meters apart, and there is a beam 3 meters away from the groundRugby box Height
NFL door frame 70 high shape, the ball must be oval shape and made of four materials. Football size, long axis: 280 to 300 mm, long axis circumference: 740 to 770 mm, short axis circumference: 580 to 620 mm. Material, leather or suitable synthetic materialHow big are Rugby numbers 6 and 9, such as length and width
No. 9 is a junior football ball, and No. 9 is a standard adult football ball. Rugby is one of the ball games. It is an antagonistic movement on a rectangular field, through collective cooperation, scoring by shooting or touching the ground with the ball. Rugby originated in 1823 in rugby, England, in 1871What protective gear do American football players need
Basically, every player must wear a complete set of protective equipment from head to foot: the helmet is composed of a shell, facemask and chinstrap, so as to reduce the possibility of facial injury, especially the nasal bridge and mouth injury
How high is the football box
Not clear. Rugby, a kind of ball games, originated in rugby, England in 1823. In 1871, the rugby Association of England was established. In 1890, the international rugby Council was established. In 1987, the international rugby Council held the first World Cup Men's rugby championshipWhat equipment does football need
American football ball is slightly smaller than English football. The ball is 11 to 11.5 inches long, the long axis of the ellipse is 28 to 28.5 inches, the short axis is 21.25 to 21.5 inches, and weighs 14 to 15 inches. In addition, the kicker also needs a kickoff rack, which is mostly a small tripod made of plasticHow high is the football frame
Each detachment consists of three types of players: the attack group, which is responsible for the attack; Defense team, responsible for defense; Special team, responsible for special situations - kick-off, shot and kick-off. In any case, one side can only have 11 players on the court. The clothes of American football players are as colorful as the playing fieldWhat is the height of the regular basketball box
The international standard is 3.05 meters. The NBA is a little higher than 3.15 meters, and its field is a little larger. The three-point line is also one meter away. The top surface of the hoop should be horizontal, 3.05 meters from the floor, and the distance from the two vertical sides of the backboard is the same; The CBA basket is 3.05 meters, and the NBA basket is also 3.05 meters. Basketball rules, Chapter 2, Chapter 2