Find the square root of 1225by division method
2 answers:
Answer:
35
Step-by-step 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
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