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Answer [in calculator form]:7.4161984870956629487113974408007 you can also cross out so now its 7 or 7.4 or 7.416 :) it depends on how they ask the "?"

Answer [through person]: I got 7 and 6/15ths because you can solve it like this:


SQUARE ROOT OF 55

1) Find two numbers whose y^2 is between 55!

Answer: 7 and 8 are between 55 because 7^2 = 49 and 8^2 = 64

2) Write down 7 and 8 below square root of 55 and then 49 and 64 below 7 and 8.

3) Find the difference between 64 and 49.

Answer: 64 - 49 = 15

4) Now find the difference between 49 and 55.

Answer: 55 - 49 = 6

5) Now that you have 15 and 6. Find the CLOSEST square root that is closest to 55. That would be 7 since 8 is too far. Now you put them together. Since 7 is the closest, 7 is the whole number. You put 6 over 15 and you get 7 and 6/15ths!

Answer: 7 and 6/15 . 6 divided by 15 is .04 so you make it 7.04 if you want it in decimal value. Since MOST people use a calculator, a more correct answer would be 7.4162 [rounded] but 7.04 still comes very close to the correct answer. Good luck! =D


7.4
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8y ago

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Wiki User

12y ago

7.4162 (rounded)

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Q: What is the square root of 55?
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