Saved Bookmarks
| 1. |
Multiple Choice Questions (MCQs)10. The perimeter of one face of a cube is 20 cmIts total surface area is:(a) 2400 cm2(c) 120 cm2(b) 150 cm2(d) 96 cm2 |
|
Answer» Face of cube is square so ,4 × side = 20 cmside = 5 cm So,Total surface area of cube = 6 × (side)²Total surface area of cube = 6 × (5)²= 150 So, b) 150 cm² is correct |
|