Answer :
∠ADC = (1/2) ∠AOC
⇒ ∠ADC = (1/2) 100°
⇒ ∠ADC = 50°
Now,
∠ADC + ∠ABC = 180°[ABCD is a cyclic quadrilateral]
⇒ 50° + ∠ABC = 180°
⇒ ∠ABC = 130°
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
RELATED QUESTIONS :
In Fig. 16.195, <
RD Sharma - Mathematics<span lang="EN-US
RS Aggarwal & V Aggarwal - Mathematics<span lang="EN-US
RS Aggarwal & V Aggarwal - MathematicsPQRS is a
RD Sharma - MathematicsABCD is a
RD Sharma - Mathematics<span lang="EN-US
RS Aggarwal & V Aggarwal - Mathematics<span lang="EN-US
RS Aggarwal & V Aggarwal - Mathematics<span lang="EN-US
RS Aggarwal & V Aggarwal - Mathematics<span lang="EN-US
RS Aggarwal & V Aggarwal - MathematicsABCD is a
RD Sharma - Mathematics