In a triangle ABC, AB=6 sqrt 3 cm, AC = ...

In a triangle ABC, AB=6 `sqrt 3` cm, AC = 12 cm and BC =6cm . Then measure of `angle B` is equal to :
एक त्रिभुज ABC में, AB=6 `sqrt 3` cm, AC = 12 cm और BC = 6cm| `angle B` का माप ज्ञात करे

A

`45^@`

B

`70^@`

C

`90^@`

D

`60^@`

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The correct Answer is:

C

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