9) Find the unknown length 'x' in the following figure? Share with your friends Share 6 Shruti Tyagi answered this Dear Student, If a secant and a tangent of a circle are drawn from a point outside the circle,then the product of the lengths of the secant and its external segment equalsthe square of the length of the tangent segment.thus,82=5+x×564=25+5x5x=39x=7.9 cm Regards 8 View Full Answer Ayan Datta answered this 8^2=5*(5+x) 2