The square root of 30 is approximately 5.5.
To find the square root, we need to find out what number(s) can be multiplied by themselves to equal 30.
5 • 5 = 25
6 • 6 = 36
Because 30 is between 25 and 36, we know that the square root of 30 is between 5 and 6.
When we multiply 5 and 6 by themselves to find their square, we will find that 30 lies about halfway between 25 and 36. Upon calculation, the square root of 30 is 5.47, which to the nearest tenth is 5.5.
The square root of 30 ≈ 5.5.