que - a seven metre long cylindrical wire has a radius of 8 mm . find the curved surface area of the wire . Share with your friends Share 0 Varun.Rawat answered this Radius of the wire, r = 8 mm length of wire, h = 7 m = 7000 mm CSA = 2πrh = 2 × 227 × 8 × 7000 = 352000 mm2 -1 View Full Answer