exact square root of 90
\(\sqrt{90}=\sqrt{9*10}=\sqrt{9}*\sqrt{10}=3\sqrt{10}=3*3.16227766=9.486832981\)Exact element never pull out of an irrational number. They are like mathematical proofs. However, what I wrote is very for a precise approximation.
The exact square root is 9.48683298051Rounded square root isĀ 9Hoped I helped:D