Question

7921 by long division
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Answer 1

Answer:

81

Step-by-step explanation:

I done your method.

The nearest number to 79 which is a perfect square is 64 which is square of 8, we have obtained first digit of square root of 7921 I.e. 8. 5. Now subtract square of 8 which is 64 from first pair that is 79 , write the remainder below and copy down the next pair just after it.

Answer 2

Answer:

(viii) 7921

Hence, the square root of 7921 is 89.