Question

Find the square root of 1225by division method​

Answer 1

Square root of 1225= 35

Answer 2

35

Explanation:

Try prime factors:

2 : not even

3: not divisible

5:

1225/5 = 245

245/5 = 49

1225 = 49 *(5^2)

7:

49/7=7

49=7^2

1225 = (7^2) *(5^2)

1225 = (7*5)^2

1225 = 35^2