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प्रश्न
Find the length of the side of a square whose area is 441 m2.
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उत्तर
Let the length of the side of the square be x m.
Area of square = (x)2 = 441 m2
`x = sqrt(441)`
The square root of 441 can be calculated as follows:
| 21 | |
| 2 | `bar4 bar41` -4 |
| 41 | 041 -41 |
| 0 |
∴ x = 21 m
Hence, the length of the side of the square is 21 m.
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