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The Law of Sines

Advanced Geometry Trigonometry Lesson 4. The Law of Sines. C. a. b. A. B. c. C. C. a. a. b. b. x. y. A. B. A. B. c. c. The Law of Sines. Example : Find p. Round to the nearest tenth. Example : Find m ∠ L to the nearest degree in

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The Law of Sines

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  1. Advanced Geometry Trigonometry Lesson 4 The Law of Sines

  2. C a b A B c

  3. C C a a b b x y A B A B c c The Law of Sines

  4. Example: Find p. Round to the nearest tenth.

  5. Example: Find m∠L to the nearest degree in ∆LMN if n = 7, l = 9, and m∠N = 43.

  6. Example: Solve ∆DEF if m∠D = 112, m∠F = 8, and f = 2. Round angle measures to the nearest degree and side measures to the nearest tenth.

  7. Example: Solve ∆HJK if m∠J = 32, h = 30, and j = 16. Round angle measures to the nearest degree and side measures to the nearest tenth.

  8. Example: Three cities form the vertices of a triangle. The angles of the triangle are 40°, 60°, and 80°. The two most distant cities are 40 miles apart. How close are the two closest cities to the nearest tenth of a mile?

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