0
20
20^2 = 400
400 is a perfect square.......
perfect squarenoun Mathematics .1.a rational number that is equal to the square of another rational number.
2.a polynomial that is the square of another polynomial.
Origin:
1935-40
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What square number is between 400 to 450?
The square root of 400 is 20, and the square root of 450 is approximately 21.21. Therefore, the square number between 400 and 450 is 441, which is the square of 21.
How is the square root of 225 between 10 and 20?
10 squared is 100. 20 squared is 400. 225 is between 100 and 400. Its square root will be between 10 and 20.
What is the side length of a square with area 400 cm2?
Well, honey, to find the side length of a square with an area of 400 cm², you take the square root of the area. So, the square root of 400 is 20. Therefore, the side length of the square is 20 cm. Hope that clears things up for ya!
What is negative square root of 1 minus square root of negative 400?
- sqrt(1) - sqrt(-400) = -1 - 20i, where "i" is the imaginary unit.- sqrt(1) - sqrt(-400) = -1 - 20i, where "i" is the imaginary unit.- sqrt(1) - sqrt(-400) = -1 - 20i, where "i" is the imaginary unit.- sqrt(1) - sqrt(-400) = -1 - 20i, where "i" is the imaginary unit.
What is a principal square root?
The principal square root is the non-negative square root.
