Advertisements
Advertisements
Question
Find the length of the side of a square whose area is 441 m2.
Advertisements
Solution
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.
RELATED QUESTIONS
Find the least number which must be subtracted from the following number so as to get a perfect square. Also find the square root of the perfect square so obtained.
4000
Find the square of the following numbers using the identity (a + b)2 = a2 + 2ab + b2:
209
Find the square of the following number using the identity (a − b)2 = a2 − 2ab + b2:
495
Write the possible unit's digit of the square root of the following number. Which of these number is odd square root?
657666025
Find the square root the following by long division method:
152547201
Find the least number which must be subtracted from the following numbers to make them a perfect square:
4401624
Find the value of `sqrt5` correct to 2 decimal places; then use it to find the square root of `(3-sqrt(5))/(3+sqrt(5)` correct to 2 significant digits.
Find the square root of: `sqrt(108 xx 2028)`
The square root of a perfect square of n digits will have `((n + 1)/2)` digits, if n is odd.
Find the square root of the following by long division method.
1369
