20 times the square root of 2
42 is 16, less than 20 52 is 25, more than 20. so, 20 is not a perfect square, and does not have an integral square root. But, the square root of any integer is either an integer itself, or irrational. So, square root 20 is irrational
20 is not the square of an integer, the square root of 20 is approximately equal to 4.472.
There is no square root of -75. If it's 75, that is 5 square root 3.
Try taking the square root. The square root of a positive integer can only be: * A whole number, in which case it is of course rational, or * Irrational.
20 times the square root of 2
√400 = 20, -20
20√15
The square root of 400, also known as 20.
sqrt(2000) = 20*sqrt(5)
the letter i means a complex number. it means square root of -1. whenever you have numbers outside the radical all you have to do is square them to get them inside the radical.so square i and square 2i2 radical 20 is the same are your new form... radical negative 80but your numerical answer is 8.94i
The ratical, or square root, of 20 is approximately 4.472135954999579
sqrt(20)factor under the radicalsqrt(22 * 5)bring out the 2 as it is squared2sqrt(5)========simplest form
the square root of 20 in it's simplest form is ^2 square root of 5
It would be 20 radical 109, or about 208.8061302
square root of 20 = square root of 4 * square root of 5. square root of 4 = 2, so your answer is 2 square root of 5.
sqrt(20*9) = sqrt(2*2*5*9) =2*sqrt(45)