, , , , 18 19.
a. , , 4 (10 ) , (: 4 , 4 8 , 1-2-1-g).
b. 24 (60 ), 4 (10 ) , . 4 ( 2-11-4).
c. .
d. (, , , , ..), 4 (121,92 ) .
e. .
f. , , .
g. , , .
h. (: (1) , , ; (2) ; (3) , ; ).
i. 6 (182,88 ) 4 (121,92 ), 9 (8,23 ) .
j. ( , 50) , .
FR-23 Rule 1-2 / The Game, Field, Players and Equipment
The arrow is a triangle with an 18-inch base and two sides that are 36 inches each.
k. The two inbounds lines (hash marks) are 60 feet from the sidelines. Inbounds lines and short yard-line extensions shall measure 24 inches in length.
l. Nine-yard marks 12 inches in length, every 10 yards, shall be located nine yards from the sidelines. They are not required if the field is numbered according to Rule 1-2-1-i.