What is the square root of 90?

90 = 2*3*3*5
√90 = √2 * √(3*3) * √5
√90 = 9 * √10 = 9 * (3.16227766...)
a little more than 9.48683

The square root of 10 shows up often enough in calculations, and it is just a little more than pi.

= √90
= 9.486833

Answer: 9.486833

√90
= 9.486832980505138

square root of 90 =square root of 10 * square root of 9.
Ans. 3 * square root of 10.

sqrt of 90= sqrt of 9* sqrt 10= 3 sqrt 10= 9.4868.....

9.4868 is a good enough answer for your purposes.

sqrt(90)=sqrt(9x10)=3 x sqrt(10) which is approximately 9.48 (Use MS Excel or calculator for a more accurate answer)

3 sqr rt 10

9.4868329805051379959966806

or 3 times square root of 10

u can use a calculator the 36 one