The external and internal diameters of a hollow hemispherical vessel are 25 cm and 24 cm, respectively. The cost of painting 1 cm2 of the surface is ₹ 0.05. Find the total cost to paint the vessel all over.
The external and internal diameters of a hollow hemispherical vessel are 25 cm and 24 cm, respectively. The cost of painting 1 cm2 of the surface is ₹ 0.05. Find the total cost to paint the vessel all over.