help me, i really need this math question Consider a triangle like the one below. Suppose that 50 , 30 , 73 and . (The figure is not drawn to scale.) Solve the triangle. Carry your intermediate computations to at least four decimal places, and round your answers to the nearest tenth. If there is more than one solution, use the button labeled "or".

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help me, i really need this math question

Consider a triangle like the one below. Suppose that 50 , 30 , 73 and . (The figure is not drawn to scale.) Solve the triangle.
Carry your intermediate computations to at least four decimal places, and round your answers to the nearest tenth.

If there is more than one solution, use the button labeled "or".
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1 Answer

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A=31.64 B= 18.34 C= 130.20

Step-by-step explanation:

calculating for A using cosine rule

50^2= 30^2+73^2-2×30×73CosA

2500= 900+5329-4380COSA

2500= 6329-4380COSA

2500-6329= -4380COSA

-3729= -4380COSA

COA= -3729/-4380

COSA= 0.8514

A=COS^-1(0.8514)

A= 31.64

calculating B using sinerule

sin 31.64/50= sinB/30

sinB = sin31.64×30/50

sinB = 0.3147

B = 18.34

calculating for C

31.46+18.34+C= 180

C= 180-49.8

C=130.20
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