Class 9 Exam  >  Class 9 Questions  >  In the adjoining figure, O is the circumcentr... Start Learning for Free
In the adjoining figure, O is the circumcentre of ∆ABC, then the value of ∠OBC + ∠BAC is 
  • a)
    60°
  • b)
    90°
  • c)
    120°
  • d)
    150° 
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
In the adjoining figure, O is the circumcentre of ABC, then the value ...
In ∆OAB, 
OA = OB
∴ ∠OAB = ∠OBA …(i)
∵ ∠OBC + ∠OBA = ∠ABC
∠OBC + ∠BAC = ∠ABC
∠OBC + ∠BAC = 90°
[∵ ∠ABC is the angle in semicircle]
Explore Courses for Class 9 exam

Top Courses for Class 9

Question Description
In the adjoining figure, O is the circumcentre of ABC, then the value of ∠OBC + ∠BAC isa)60°b)90°c)120°d)150°Correct answer is option 'B'. Can you explain this answer? for Class 9 2025 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about In the adjoining figure, O is the circumcentre of ABC, then the value of ∠OBC + ∠BAC isa)60°b)90°c)120°d)150°Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the adjoining figure, O is the circumcentre of ABC, then the value of ∠OBC + ∠BAC isa)60°b)90°c)120°d)150°Correct answer is option 'B'. Can you explain this answer?.
Solutions for In the adjoining figure, O is the circumcentre of ABC, then the value of ∠OBC + ∠BAC isa)60°b)90°c)120°d)150°Correct answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 9. Download more important topics, notes, lectures and mock test series for Class 9 Exam by signing up for free.
Here you can find the meaning of In the adjoining figure, O is the circumcentre of ABC, then the value of ∠OBC + ∠BAC isa)60°b)90°c)120°d)150°Correct answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of In the adjoining figure, O is the circumcentre of ABC, then the value of ∠OBC + ∠BAC isa)60°b)90°c)120°d)150°Correct answer is option 'B'. Can you explain this answer?, a detailed solution for In the adjoining figure, O is the circumcentre of ABC, then the value of ∠OBC + ∠BAC isa)60°b)90°c)120°d)150°Correct answer is option 'B'. Can you explain this answer? has been provided alongside types of In the adjoining figure, O is the circumcentre of ABC, then the value of ∠OBC + ∠BAC isa)60°b)90°c)120°d)150°Correct answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice In the adjoining figure, O is the circumcentre of ABC, then the value of ∠OBC + ∠BAC isa)60°b)90°c)120°d)150°Correct answer is option 'B'. Can you explain this answer? tests, examples and also practice Class 9 tests.
Explore Courses for Class 9 exam

Top Courses for Class 9

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev