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If O be the centre, find the value of a...

If O be the centre, find the value of `angleBAC`. Options are (a) `80^@` (b) `160^@` (c) `40^@` (d) `20^@`

A

`80^@`

B

`160^@`

C

`40^@`

D

`20^@`

Text Solution

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