You use the same service line as any other age. It never changes officially.
The distance from the volleyball net to the serving line for volleyball is approximately 29 feet and 6 inches.
The back court is the area of your team's court that is closest to the endline (serving line).
You serve a volleyball from behind the serving line. I know it sounds stupid but its the line at the back of the court. The space between there and the wall/objects behind you
The serving line never officially changes for any age of volleyball. It is 29 feet and 5 inches (9 meters) from the net.
You just need to be behind the end line.
If your foot is on the serving line
They have to be behind the serving line, but they can jump past this line when serving.
10 Feet
When someone steps over the line when they are serving
Its about 30 feet.
very last line in the corner
30 feet