Q1 of 24 Page 296

O is the circumcentre of ABC; if ∠BOC = 80° the ∠BAC is

Given:



As we know,


If O is circumcenter of Δ ABC then:


∠BOC = 2 ∠BAC (Application 1)




⇒ ∠BAC = 40°


Option (A) is correct.

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