In a Trapezium ABCD, OA, and OB the angle bisectors of ∠DAB and ∠CBA. If ∠ADC = 110° and ∠BCD = 115° then what is the value of ∠AOB?
1
115.5°
2
112.5°
3
120°
4
125°
In a Trapezium ABCD, OA, and OB the angle bisectors of ∠DAB and ∠CBA. If ∠ADC = 110° and ∠BCD = 115° then what is the value of ∠AOB?