Math::Sqrt Method (Double)
Returns the square root of a specified number.
Assembly: mscorlib (in mscorlib.dll)
The number whose square root is to be found.
The square root of the area of a square represents the length of any side of the square. The following example displays the area of some cities in the United States and gives an impression of each city's size if it were represented by a square.
Available since 4.5
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Available since 8.1