Question

1.Findthesquarerootof169byrepeatedsubtractionmethod​

Answer 1

Answer:

$repeated \: subtraction \: method..... \\ \\ \sqrt{169} \\ \\ 169 - 1 = 168 \\ 168 - 3 = 165 \\ 165 - 5 = 160 \\ 160 - 7 = 153 \\ 153 - 9 = 144 \\ 144 - 11 = 133 \\ 133 - 13 = 120 \\ 120 - 15 = 105 \\ 105 - 17 = 88 \\ 88 - 19 = 69 \\ 69 - 21 = 48 \\ 48 - 23 = 25 \\ 25 - 25 = 0$

There are 13 steps.....

therefore square root of 169 is 13....

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