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(xi) O is the orthocentre of the DeltaAB...

(xi) O is the orthocentre of the `DeltaABC` If `angle BAC=55^@`, then `angle BOC=`

A

`125^@`

B

`135^@`

C

`145^@`

D

None of these

Text Solution

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The correct Answer is:
A
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