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In triangle ABC, D is a point on BC. If ...

In `triangle ABC`, D is a point on BC. If `(AB)/(AC)= (BD)/(DC)`, `angle B = 75^@`, and `angle C =45^@`, then `angle BAD` is equal to:
`triangle ABC`में, D, BC पर एक बिंदु है। यदि `(AB)/(AC)= (BD)/(DC)`, `angle B = 75^@`,और `angle C =45^@` then, तो `angle BAD` बराबर है

A

`50^@`

B

`30^@`

C

`60^@`

D

`45^@`

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