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Find the square root of 100and169by …

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Find the square root of 100and169by reapeated subtraction

    • Posted by Adith E Jayaprakash 5 years, 4 months ago

    CBSE > Class 08 > Mathematics
    • 2 answers

    Tejaswini Vashishtha 5 years, 4 months ago

    √100 by Repeated subtraction: 1. 100 - 1 = 99 2. 99 - 3 = 96 3. 96 - 5 = 91 4. 91 -7 = 84 5. 84 - 9 = 75 6. 75 - 11 = 64 7. 64 - 13 = 51 8. 51 - 15 = 36 9. 36-17=19 10. 19 - 19 = 0 We get 0 at 10th step. Hence,10 is the square root of 100. √100 = 10 √169 by Repeated subtraction: 1. 169 - 1 = 168 2. 168 - 3 = 165 3. 165 - 5 = 160 4. 160 - 7 = 153 5. 153 - 9 = 144 6. 144 - 11 = 133 7. 133 - 13 = 120 8. 120 - 15 = 105 9. 105 - 17 = 88 10. 88 - 19 = 69 11. 69 - 21 = 48 12. 48 - 23 = 25 13. 25 - 25 = 0 We get 0 at 13th step. Hence,13 is the square root of 169  √169=13 ========================================================== Hope this will help you.....

    1Thank You

    Adith E Jayaprakash 5 years, 4 months ago

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