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The angle bisector of angleABC&angleBCA ...

The angle bisector of `angleABC&angleBCA` of triangle `DeltaABC` intersect at point O. What is the angle `angleBOC`.

A

`90^(@)-((A)/(2))`

B

`90^(@)+((A)/(2))`

C

`90^(@)-A`

D

`90^(@)+A`

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