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kozerog [31]
2 years ago
7

In ΔRST, m < R = 104°, r = 20, and t = 10. Find the m < S, to nearest degree.

Mathematics
1 answer:
Mrrafil [7]2 years ago
5 0

9514 1404 393

Answer:

  47°

Step-by-step explanation:

The law of sines helps you find angle T. From there, you can find angle S.

  sin(T)/t = sin(R)/r

  sin(T) = (t/r)sin(R) = (10/20)sin(104°)

  T = arcsin(sin(104°)/2) ≈ 29°

Then angle S is ...

  S = 180° -R -T = 180° -104° -29°

  ∠S = 47°

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