The square root of 90 is 9.4868. In radical form it is written as 3√10. In a square, the interior angles are 90 degrees.
The square root of 90 is 9.4868. In radical form it is written as 3√10. In a square, the interior angles are 90 degrees.
The nearest previous perfect square is 81 and the nearest next perfect square is 100 .