AB and CD are two parallel chords of circle O, which are located at the same side of the center O. if AB = 6 and CD = 8, the distance between AB and CD is 1, the radius of circle O is calculated

AB and CD are two parallel chords of circle O, which are located at the same side of the center O. if AB = 6 and CD = 8, the distance between AB and CD is 1, the radius of circle O is calculated

Root sign (R-3) = root sign (R-4) + 1
R=5