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Home > CCG > Chapter 7 > Lesson 7.2.4 > Problem 7-85

7-85.

Examine the triangles below. For each, solve for and name which tool you use. Show all work. Homework Help ✎

  1. triangle

    What trig ratio can you use to solve for ?

    , tangent

  2. triangle

    Find the measure of the unknown angle. Now what law can you use to solve for ?

  3. triangle

    Use the Law of Cosines to solve for .

    , Law of Cosines