18durhajad 18durhajad

12-01-2018
Mathematics

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Given that c=9, b=15, and C=29 degrees, find the measure of angle B

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Аноним Аноним

12-01-2018

use the Sine Rule:-

b / sin B = c / sin C

15 / si n B = 9 / sin 29

sin B = 15* sin 29 / 9 = 0.8080

B = 53.90 degrees

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