Calling 'backboard' is a playground term in Basketball. It is used in some games when a player is declaring that he is going to bank a shot into the goal using the backboard.
There is no backboard in netball, however there is one in basketball
you mean the backboard on a rim its Width - 6 feet (72 inches) and Height - 3.5 feet
the backboard is behind the basketball hoop
If you are just needing the dimensions of the backboard itself - the backboard is 42" in height and 72" in width.
backboard top is 15 feet
The first backboard was invented in1909.
The basketball backboard is there to show ppl where to shot the ball to get it in.
on the backboard above the rim
How high is a basketball backboard from the ground?
A Basketball Backboard is 72 inches long.
6" . A STANDARD RECTANGULAR BACKBOARD IS 42" HIGH. THE TOP OF RIM IS 36" FROM THE TOP OF BACKBOARD, SO THAT LEAVES 6" FROM THE BOTTOM OF BACKBOARD TO TOP OF RIM.