The height of a cone is 20cm the radius of the base 15cm.Find its Total surface area Curvedsurface area. (Use pie 3.14) Share with your friends Share 0 Manbar Singh answered this We have,height of cone, h = 20 cmradius of base of cone, r = 15 cmNow, slant height, l = r2 + h2 = 152 + 202 = 225+400 = 625 = 25 cmTSA = πrl + r = 3.14 × 1525 + 15= 3.14 × 15 × 40 = 1884 cm2CSA = π r l = 3.14 × 15 × 25 = 1177.5 cm2 4 View Full Answer
