How do you solve the triangle ABC given A=60, b=8, c=12?

1 Answer
sankarankalyanam
Feb 26, 2018

color(blue)(hat B = 40.9^@, hat C = 79.1^@, a = 10.58

Explanation:

Law of Cosines
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Law of sines
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a = sqrt(8^2 + 12^2 - (2 * 8 * 12 * cos 60)) = 10.58

hat B = sin ^-1 ((8 * sin 60) / 10.58) = 40.9^@

hat C = 180 - 60 - 40.9 = 79.1^@

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