Two chords are equidistant from the centre in a circle. If one chord is 4 cm, what is the other?
AB and CD are two equal chords of a circle. If chord AB is at a distance of 4 cm from the centre, then the distance of chord CD from the centre is
The lengths of two parallel chords of a circle are 6 cm and 8 cm. If the smaller chord is at distance 4 cm from the centre, what is the distance of the other chord from the centre?