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O is the circumcentre of the triangle ABC and `AD bot BC`. Prove that `angle BAD= angle OAC`

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Knowledge Check

  • If the circumcentre of an equilateral triangle ABC is O, then the value of angleBOC is

    A
    `30^@`
    B
    `60^@`
    C
    `90^@`
    D
    `120^@`

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