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In the following figure angleB=70^(@) an...

In the following figure `angleB=70^(@)` and `angleC=30^(@). BO and CO` are the angle bisectors of `angleABC and angleACB`. Find the value of `angleBOC`:

A

`30^@`

B

`40^@`

C

`120^@`

D

`130^@`

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The correct Answer is:
D
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