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Home > PC > Chapter 2 > Lesson 2.3.4 > Problem 2-119

2-119.
  1. Use the triangle to answer the problems below. Homework Help ✎

    triangle

    1. Find the exact lengths of the missing sides.

    2. Write and simplify the cosine ratio for ∠A.

    3. Write and simplify the sine ratio for ∠A.

Find the 3rd angle.
Then use the Law of Sines to find the other sides.