It is only an approximation to the square root of 35 - the square root of 35 is an irrational number.
Besides, 5.619 is not approximately the square root of 35; the square root of 35 is approx 5.916 (I suspect a typo in the question).
Two ways:
≈ 35
.......... ---------------------
........5 | 35 . 00 00 00 00
............ 25
............ ---
... 109 | 10 . 00
.............. 9 . 81
............ -------
. 1181 | ..... 19 00
.................. 11 81
.................. ------
.11826 | ...... 7 19 00
.................... 7 09 45
.................... --------
......................... 9 55 00
So to 3 dp, √35 ≈ 5.916
The square root of 1225 is 35.
5 times the square root of 35 which is about 29.58039892
square root of 140 = 2 square root of 35
2 times the square root of 35
3.8729x5.916=22.912
Simplified, the square root of 35 is just root 35. The decimal is about 5.916079763.
35 is not a perfect square - the Square root of 35 is roughly 5.92.
The square root of 1225 is 35.
15.46482452
The √35 is simplified, no perfect square can go into 35
Rounded to two decimal places, the square root of 35 is approximately equal to ±5.92.
5 times the square root of 35 which is about 29.58039892
square root of 140 = 2 square root of 35
2 times the square root of 35
3.8729x5.916=22.912
35
No, they are not.