The length of a tangent from a point A at distance 5 cm from the centre of circle is 4 cm. Find the radius of the circle. The length of a tangent from a point A at distance 5 cm from the centre of circle is 4 cm. Find the radius of the circle. October 6, 2020 Category: Chapter 10 - Circles , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related