It means you are finding what number multiplied by itself will give you the number you are finding the square root of.
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i means imaginary number or what you would find the square root of to make -1
With great difficulty because the square root of 154 is an irrational number
The same way you find the square root of any number. The fastest way would be to type 225, followed by the square root key, in a calculator.
Finding the square root of a number is performing the opposite operation of squaring the number. In order to square a number you must multiple the number by itself. 2 x 2 = 4 so the square root of 4 is 2.
The square root of 225 is 15. This is because the square root of a number is a value that, when multiplied by itself, gives the original number. In this case, 15 multiplied by 15 equals 225. Therefore, the square root of 225 is 15.