Originally used to describe a military unit in ancient Rome, the word cohort retains some of its original meaning by describing a group of people that shares a common statistical or demographic trait.
High School, College and NBA courts each have a unique 3 point line (arc). Overall Court Regulation Sizes are typically: 1  NBA Professional and College â 94 feet long and 50 feet wide. 2  High School â 84 feet long and 50 feet wide. 3  Junior High â 74 feet long and 42 feet wide.
Basketball Court Dimensions. 3 Point Line. Arc radius is 19'9 from center of hoop. The arc begins with a 63 straight line from the baseline before beginning its curve. (Note: NCAA changed the arc to 20'9 for men's college basketball for the 2008-09 season.) Backboard. 72 wide and 42 tall.