Answer: The square root of 378 is 19.44!
Explanation: The square root of 378 is expressed as √378 in the radical form and as (378)½ or (378)0.5 in the exponent form. The square root of 378 rounded up to 8 decimal places is 19.44222210. It is the positive solution of the equation x2 = 378. We can express the square root of 378 in its lowest radical form as 3 √42.