Three metallic spheres of radii 10 cm, 8 cm and 6 cm, respectively, are melted to form a single solid cone of radius 12 cm. Find the curved surface area of the cone, correct to two places of decimal.
(Take π = 3.14)
1
1664.50 cm2
2
1669.86 cm2
3
1876.79 cm2
4
1864.41 cm2