CBSE Class 9 Answered

i. Draw a circle with centre O.

ii. Draw any two chords AB and CD such that AB is not parallel to CD.

iii. With A as centre and radius more than half of AB, draw two arcs above and below AB.

iv. With B as centre and same radius draw two arcs intersecting the previous arcs at L and M.

v. Join LM.

vi. Then LM is the perpendicular bisector of AB.

vii. Similarly, draw RS the perpendicular bisector of CD.

viii. LM and RS intersect at O, the centre of the circle.