This is called the no-charge zone. When in this arc, the referee cannot call the "three-seconds" rule on you, which is when you are in the danger zone (the box from the free throw line to the base line) for more than three seconds.
3 point line
From end-line to end-line it is 94'. From backboard to backboard it is 86'.
Arcs are line segments because they do not go on forever. They only go part of the way around a circle
the line that goes around the basket in a curve close to the out of bounds. go to http://library.thinkquest.org/12006/images/court.gif .... its the green line on the picture!!
It is the rectanglular shaped area close to the basket where the players line up around when shooting free throws.
The 3-point line in youth basketball is approximately 20ft from the basket. The free throw line is 15ft.
base line and paint (the pain is the key area around the basket(usually red)
Anybasket inside the 3 point line
In College basketball the back of the free throw line is 13 feet 9 inches from the center of the goal or basket.
Its 12 feet
from the base line (the wall behind the hoop)