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melisa1 [442]
2 years ago
5

PLEASE HELP!

Mathematics
1 answer:
Novosadov [1.4K]2 years ago
6 0

Answer: 25,0.

Step-by-step explanation:

∡B=27°     ∡C=82°      b=12      a=?

∡A=180°-(27°+82°)=180°-109^°=71°.

\frac{a}{sinA} =\frac{b}{sinB} \\a=\frac{b*sinA}{sinB}=\frac{12*sin71^0}{sin27^0}=\frac{12*0,9455}{0,454}  \approx25,0

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Further Explanation:

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Keywords: Coordinate geometry, mid-point

Learn more about mid-point at:

  • brainly.com/question/11018983
  • brainly.com/question/11175936

#LearnwithBrainly

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