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In the above figure (not to scale), O is...


In the above figure (not to scale), O is the centre of the circle. `bar(BC)` and `bar(CD)` are equal chords. If `/_ OBC =70^(@)` , then find `/_BAD`.

A

`40^(@)`

B

`60^(@)`

C

`55^(@)`

D

`45^(@)`

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The correct Answer is:
A
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