A tangent PQ at a point P of a circle of radius 5 cm meets a line through the centre O at a point Q, so that OQ=12 cm. Length of PQ is : A tangent PQ at a point P of a circle of radius 5 cm meets a line through the centre O at a point Q so that OQ=12 cm. Length of PQ is : October 5, 2020 Category: Chapter 10 - Circles , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related