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The perimeter of a triangle ABC is saix ...

The perimeter of a triangle ABC is saix times the arithmetic mean of the sines of its angles. If the side `ai s1` then find angle `Adot`

A

`30^(@)`

B

`60^(@)`

C

`90^(@)`

D

`120^(@)`

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The correct Answer is:
A
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ARIHANT MATHS ENGLISH-PROPERTIES AND SOLUTION OF TRIANGLES -Exercise (Single Option Correct Type Questions)
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