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In `triangle ABC`, O is the incentre and `angle BOC = 135^@`. The measure of `angle BAC` is:
`triangle ABC` में, O अंतःकेंद्र और `angle BOC = 135^@` है। तो `angle BAC` का मान क्या है

A

`90^@`

B

`45^@`

C

`80^@`

D

`55^@`

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