1. If 0 is the circumcentre of triangle ABC and OD ⊥ BC, then ∠BOD must be equal to
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By: anil on 05 May 2019 01.58 am
O is the circumcentre of the triangle ABC
=> $$angle$$BOC = 2$$angle$$BAC Also, $$angle$$BOD = $$frac{1}{2} angle$$BOC $$ herefore$$ $$angle$$BOD = $$angle$$BAC
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=> $$angle$$BOC = 2$$angle$$BAC Also, $$angle$$BOD = $$frac{1}{2} angle$$BOC $$ herefore$$ $$angle$$BOD = $$angle$$BAC