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Rachel Mody

Asked: 2 years ago2022-10-29T00:48:21+05:30 2022-10-29T00:48:21+05:30In: General Awareness

The perimeter of atriangle ABC is 6 times the arihmetic mean of the sines of its angles .If the side a is 1. the `angle A` is
A. `30^@`
B. `60 ^@`
C. `90^@`
D. `120^@`

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The perimeter of atriangle ABC is 6 times the arihmetic mean of the sines of its angles .If the side a is 1. the `angle A` isA. `30^@`B. `60 ^@`C. `90^@`D. `120^@`