Find the square root of 81 by repeated subtraction
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Answered by
7
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Step-by-step explanation:
81-1=80
80-3=77
77-5=72
72-7=65
65-9=56
56-11=45
45-13=32
32-15=17
17-17=0
√81=9
Answered by
1
Answer:
The square root of 81 is 9
Step-by-step explanation:
Let us find the square root of 81 by repeated subtraction method.
1. 81 - 1 = 80
2. 80 - 3 = 77
3. 77 - 5 = 72
4. 72 - 7 = 65
5. 65 - 9 = 56
6. 56 - 11 = 45
7. 45 - 13 = 32
8. 32 - 15 = 17
9. 17 - 17 = 0
Here we got the result 0 in the 9th step, so the square root of 81 is 9.
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