In square \(OABC\), points \(A\) and \(C\) lie on the circumference of a circle with centre \(O\), and \(B\) lies outside of the circle. Square \(OABC\) has an area of \(36\,\text{m}^2\).
Determine the area of the shaded region inside square \(OABC\) and outside the circle with centre \(O\), rounded to two decimal places.
Theme: Geometry & Measurement