Question
Find the squares of the following numbers using diagonal method: $171$

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| Dimensions of Cuboid (in units) | Surface Area (sq unit) | Volume (cu unit) |
| 15, 10, 8 | ___ | 1200 |
| 6, 10, 20 | ___ | 1200 |
| ___ | ___ | ___ |
| ___ | ___ | ___ |
| ___ | ___ | ___ |
| ___ | ___ | ___ |
| x | 50 | 40 | 30 | 20 |
| y | 5 | 6 | 7 | 8 |
| x | 100 | 200 | 300 | 400 |
| y | 60 | 30 | 20 | 15 |
| x | 90 | 60 | 45 | 30 | 20 | 5 |
| y | 10 | 15 | 20 | 25 | 30 | 35 |