Question

A cylindrical pillar is 50cm in diamter and 3.5m in height. The cost of white washing the curved surface of the pillar at the rate of Rs. 100 r * m ^ 2​

Answer 1

Answer:

diameter=50cm so radius Will be 25 cm

height=3.5 m

so , pie r2h is the volume of cylinder

22/7×25×350= 2750cm3

27.50m3

so , 27.50×100=rs 2750