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Square root of 10 = 3.16227766

square root of 15 =3.87298335

square root of 15 =3.87298335

First step - Definition of square root

Second step - Find out if 55 is a non perfect square (result: non perfect square)

5²=25

6²=36

7²=49

55 is somewhere between 49 and 64= no whole number in between 7 and 8, that means 55 is not a perfect square.

8²=64

Third step - Estimate the square root of 55

So 55 is between 49 and 64, So let's pick a number between 7 and 8.

PICK 7.5

fourth step - check the answer

So square root 7.5 and then we get 56.25, which is close to 55

Final answer: So square root of 55 is ≈7.5

CREDITS: VN :)