Find the centre and radius of the circles. 7. x^2 + y^2 – 4x – 8y – 45 = 0 Find the centre and radius of the circles. 7. x^2 + y^2 – 4x – 8y – 45 = 0 October 30, 2021 Category: Chapter 11 - Conic Sections , Maths , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related