Saved Bookmarks
| 1. |
4. Find the total surface area of a cube whose side is 15mm long.5. An oil tin is 25cm long, 20cm broad and 45 cm high. Find the area of tin sheet required for making 7 such tins. |
|
Answer» 1. surface area of cube =6l² = 6(15)² = 6×225 = 1350 mm long |
|