<Li> The shape of the key changed from a trapezoid to a rectangle as it is in the NBA, with NBA dimensions . </Li> <Li> The three - point line moved back to 6.75 metres (22 ft 1.7 in) from 6.25 metres (20 ft 6.1 in), compared to 23 ft 9 in (7.24 m) for the NBA at the top of the arc . </Li> <Li> The FIBA adopted the NBA's restricted area arc with a marginally wider radius of 1.25 metres (4 ft 1.2 in). </Li>

How far away is a high school 3 point line