SOLUTION: A triangle has the following measurements: B = 30° C = 110° b = 40. Determine angle A and the length of side a.

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Question 977518: A triangle has the following measurements: B = 30° C = 110° b = 40. Determine angle A and the length of side a.
Answer by josgarithmetic(39621) About Me  (Show Source):
You can put this solution on YOUR website!
Angle A is 180-110-30=highlight_green%2840%29.

Law Of Sines:
a%2Fsin%28A%29=b%2Fsin%28B%29
a%2Fsin%2840%29=40%2Fsin%2830%29
highlight%28a=40%28sin%2840%29%2Fsin%2830%29%29%29, and you can finish the number computing.