Q: What is the formula for square root?

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The formula is feet=square root of sq.feet

VRMS = 1/N times square root of [ sum(Vn2) ]

The usual rules for "order of operation" apply. Don't forget that the square root of a negative number is an imaginary number. As an example, the square root of -9 is 3i (that is, the square root of +9, times the "imaginary unit").

akash

The square root of 20 can be found using a calculator or by using the approximation method. The exact value is √20 ≈ 4.47.

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There is no formula for the square root of a number, unfortunately.

Square root of x = x^0.5

The formula is feet=square root of sq.feet

square root of 36 = 6 6 multiplied by 6 = 36 formula -> x2 = 36 (take square root of both sides) -> x = plus/minus 6

The square root of 2900 is approximately 53.85. This is found by calculating the square root of the number using a calculator or mathematical formula.

VRMS = 1/N times square root of [ sum(Vn2) ]

The usual rules for "order of operation" apply. Don't forget that the square root of a negative number is an imaginary number. As an example, the square root of -9 is 3i (that is, the square root of +9, times the "imaginary unit").

akash

The formula of square root is basic once you learn it. To figure out the square root of a number you must know what a square number is. A square number is the product of a multiplication problem such as 7x7, 123x123 and 14x14. So the square root of 7 is 49. A trick to figuring out the square root of a number is adding consecutive odd number to the previous problem.

The square root of 20 can be found using a calculator or by using the approximation method. The exact value is √20 ≈ 4.47.

The length of a side is the square root of the area.

sqrt(x) * sqrt(x) = x