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Anit [1.1K]
3 years ago
8

Please help! i will reward brainliest

Mathematics
2 answers:
drek231 [11]3 years ago
6 0

Answer:

37.9 degrees

Step-by-step explanation:

Using the law of sines, \frac{\sin(m\angle C)}{21}=\frac{\sin(47^\text{o})}{25}. It follows that \sin (m\angle C) = \frac{21\sin(47^\text{o})}{25} \approx 0.6143371. Therefore, m\angle C = \sin^{-1}(0.6143371)=37.9^\text{o}.

Semmy [17]3 years ago
6 0
The answer 39.7. I not all the way sure
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Answer:

x = 133

Step-by-step explanation:

Supplementary angles add to 180 degrees. Call the unknown angle x

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Subtract 47 from each side

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