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Home > PC3 > Chapter 2 > Lesson 2.2.5 > Problem 2-119


​​Use below complete the following problems. 

  1. Determine the exact length of in terms of . What type of triangle is this?

    Use the Pythagorean Theorem.

  2. Using the triangle, write the ratios for:

  3. Use your results from part (b) to simplify . What do you notice?

    It is the same as .