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In a triangle ABC, D is a point on BC such that `(AB)/(AC)=(BD)/(DC)`. If `angle B=68^@` and `angle C = 52^@`, then measure of `angle BAD` is equal to:
त्रिभुज ABC में, D, BC पर एक बिंदु है जेसे `(AB)/(AC)=(BD)/(DC)`. If `angle B=68^@` और `angle C = 52^@`of,तो `angle BAD` का माप बराबर है:

A

`60^@`

B

`30^@`

C

`50^@`

D

`40^@`

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