Question

cost of whitewasning the walls and roof at the rate of < 15 per m.
2. A cylindrical pillar of height 7.5 m and diameter 3.5 m is to be painted. At the top and bottom, 25 cm of the pillar is
covered by brass plates and the remaining portion is to be painted. Find the area of the pillar which is to be painted.​

Answer 1

Answer:

refer to above attachments...