ISIC
5. A building has 8 cylindrical pillars of radius
0.5 m and height 6.3 m. If these pillars are to
be painted at the rate of 15 per m², what will
be the cost of painting all of them?
Answers
Answered by
11
Answer:
Cost of painting 8 pillars
= Rs 15 × CSA of 8 pillars
= Rs 15× 2πrh
= Rs 15× 2×22/7 × 0.5m × 6.3m
= Rs 15 × 19.8
= Rs 297
Answered by
8
Answer:
Cost of painting 8 pillars
= Rs 15 × CSA of 8 pillars
= Rs 15× 2πrh
= Rs 15× 2×22/7 × 0.5m × 6.3m
= Rs 15 × 19.8
= Rs 297
Similar questions