Question

7. 10 cylindrical pillars of a building have to be painted.
If the diameter of each pillar is 50 cm and the height
4 m, what will be the cost of painting these at the rate
of 50 paise per m2 ? (Use t = 3.14)​

Answer 1

Step-by-step explanation:

the surface area of one cylinder pillar is 6.28m^2