Question

a cylindrical vessel open at the top has a base diameter 21 cm and height 14 cm find the cost of tin plating its inner part at the rate of rupees 5 per 100CM square

Answer 1

Answer:

Step-by-step explanation:

D=21 cm

H= 14 cm

CSA of Cylinder = 2πrh

                           = 2 × 22/7 × 105/10 ×105/10 × 14

                           = 97020 cm²

 Rate of tin plating = RS = 9700