9th Class
Mathematics
Quadrilaterals
Question Bank
Quadrilateral
question_answer
In a quadrilateral ABCD, the bisectors of \[\angle \mathbf{A}\] and \[\angle B\] meet at O. If \[\angle C={{80}^{{}^\circ }}\]and \[\angle \mathbf{D}=\mathbf{12}{{\mathbf{0}}^{{}^\circ }}\], then measure of \[\angle \mathbf{AOB}\] is