156 NAVNEET MATHEMATICS DI Skill Testing B 1. P9 and RS are two parallel chords of a circle with centre O. AB is the perpendicular bisector of PO which intersects P9 at A and RS at B. Prove that AB bisects chord RS. 2. In a circle with centre O. AB is a chord and ndicular BC is a diameter. From centre O. pe

156 NAVNEET MATHEMATICS DI Skill Testing B 1. P9 and RS are two parallel chords of a circle with centre O. AB is the perpendicular bisector of PO which intersects P9 at A and RS at B. Prove that AB bisects chord RS. 2. In a circle with centre O. AB is a chord and ndicular BC is a diameter. From centre O. pe PQ and RS are two parallel chords of a circle with centre O. AB is the perpendicular bisector of PO which intersects PO at A and RS at B. Prove that AB bisects chord RS.