Question

In a quadrilateral ABCD, AO and BO are the bisectors of ∟A and ∟B respectively. Also, ∟C = 700, ∟D = 300. Then ∟AOB is,
(i)400
(ii)500
(iii)800
(iv)1000

Answer 1

Step-by-step explanation:

• In a parallelogram, show that the angle bisectors of two adjacent angles intersect at right angles. In a parallelogram, show that the angle bisectors of two adjacent angles intersect at right angles.