Saved Bookmarks
| 1. |
The volume of a 1-metre iron rod is 1386cu.cm.Find it's diameter |
|
Answer» GIVEN volume of one METRE iron ROD= 1386 cu. cm length of iron rod=100 cm πr×r×h=1386 22\7×r×r×100=1386 r×r=1386×7÷22×100 r=2.1 diameter=2×2.1=4.2 cm |
|