<P> In 2008, FIBA announced that the distance would be increased by 50 cm (19.69 in) to 6.75 m (22 ft 1 ⁄ in), with the change being phased in beginning in October 2010 . In December 2012, the WNBA announced that it would be using FIBA's distance, too, as of the 2013 season . The NBA has discussed adding a four - point line, according to president Rod Thorn . </P> <P> A three - point line consists of an arc at a set radius measured from the point on the floor directly below the center of the basket, and two parallel lines equidistant from each sideline extending from the nearest end line to the point at which they intersect the arc . In the NBA and FIBA standard, the arc spans the width of the court until it is a specified minimum distance from each sideline . The three - point line then becomes parallel to the sidelines from those points to the baseline . The unusual formation of the three - point line at these levels allows players some space from which to attempt a three - point shot at the corners of the court; the arc would be less than 2 feet (0.61 m) from each sideline at the corners if it was a continuous arc . In the NCAA and American high school standards, the arc spans 180 ° around the basket, then becomes parallel to the sidelines from the plane of the basket center to the baseline (5 feet 3 inches or 1.60 metres). The distance of the three - point line to the center of the hoop varies by level: </P> <Table> <Tr> <Td> </Td> <Th> Arc radius </Th> <Th> Minimum distance from sidelines </Th> <Td> </Td> </Tr> <Tr> <Td> National Basketball Association </Td> <Td> 23 feet 9 inches (7.24 m) </Td> <Td> 3 feet (0.91 m) </Td> <Td> </Td> </Tr> <Tr> <Td> FIBA (also used by WNBA) </Td> <Td> 6.75 meters (22 ft 2 in) </Td> <Td> 0.90 meters (2 ft 11 in) </Td> <Td> </Td> </Tr> <Tr> <Td> National Collegiate Athletic Association </Td> <Td> 20 feet 9 inches (6.32 m) </Td> <Td> 4 feet 3 inches (1.30 m) </Td> <Td> </Td> </Tr> <Tr> <Td> American High school basketball </Td> <Td> 19 feet 9 inches (6.02 m) </Td> <Td> 5 feet 3 inches (1.60 m) </Td> <Td> </Td> </Tr> </Table> <Tr> <Td> </Td> <Th> Arc radius </Th> <Th> Minimum distance from sidelines </Th> <Td> </Td> </Tr>

Difference between high school college and nba 3 point line
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