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Darina [25.2K]
3 years ago
10

A plane headed due south is traveling with an airspeed of 160 miles per

Mathematics
1 answer:
lord [1]3 years ago
5 0

Answer:

60 °

Step-by-step explanation:

Applying the law of sine we have the following:

160 / Sin B = 80 / Sin 30 °

We solve for B and we have:

160 / Sin B = 80 / 0.5

160 / Sin B = 160

Without B = 160/160

B = Arc Sin (1)

B = 90 °

Now to calculate the other angle (true

 course) would be:

A = 180 ° - (B + C)

A = 180 ° - (90 ° + 30 °)

A = 60 °

That is to say that true course is 60 °

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ruslelena [56]

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Rosaria purchased 50 bracelets and 70 necklaces

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