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Manita Sehrawat

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· 1 Months ago

plz elaborate dis question

Question:
In a triangle ABC, O is its circumcentre and BAC = 50°, then the measure of \(\angle\)OBC is–
Options:
A) 30°
B) 40°
C) 50°
D) 60°
Solution:
Ans: (b)

ATQ,

\(\angle\)OBC = 90° – \(\angle\)BAC

= 90° – 50° = 40°

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