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14. A hollow cylindrical pipe has inner circumference 44 dm and outer 45 dm.find the cost of painting it from both sides (inside as well as outside)at 2 metre per square if length 3.5 metre |
| Answer» 14. A hollow cylindrical pipe has inner circumference 44 dm and outer 45 dm.find the cost of painting it from both sides (inside as well as outside)at 2 metre per square if length 3.5 metre | |