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whatilikeaboutyou
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I need help!
Solve for triangle ABC:
1. a = 28, b = 15, <A = 110˚
2. a = 30, c = 40, <A = 37˚
3. b = 73, c = 82, <B = 58˚
4. a = 20, b = 25, c= 22
5. <B = 10˚, <C = 100˚ , c = 115
 10 months ago
 10 months ago
whatilikeaboutyou Group Title
I need help! Solve for triangle ABC: 1. a = 28, b = 15, <A = 110˚ 2. a = 30, c = 40, <A = 37˚ 3. b = 73, c = 82, <B = 58˚ 4. a = 20, b = 25, c= 22 5. <B = 10˚, <C = 100˚ , c = 115
 10 months ago
 10 months ago

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yamyam70 Group TitleBest ResponseYou've already chosen the best response.0
We use the sine laws and cosine laws: I 'll give you a hint. 1. Sine law 2. Sine law 3.Sine law 4. Cosine Law 5.Sine law Sine law is , a / sinA , b / sin B , c / sin C Cosine law is , b^2 = a^2 + c^2  2ac cosB or cos B = a^2 + c^2 b^2 / 2ac Substitute and solve :)
 10 months ago
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