\(\triangle OAB\) is an isosceles right-angled triangle with
vertex \(O\) located at the origin; and
vertices \(A\) and \(B\) located on the line \(2x+3y-13=0\) such that \(\angle AOB=90^\circ\) and \(OA=OB\).
Determine the area of \(\triangle OAB\).
