In a quadrilateral ABCD, AO and BO are the bisectors of `angle A and angle B`
Channel: Doubtnut
Date: 2020-01-03

In a quadrilateral ABCD, AO and BO are the bisectors of `angle A and angle B` respectively, `angle C = 70^(@) and angle D=30^(@). \" Then, \" angle AOB=`?