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Home > GC > Chapter 3 > Lesson 3.2.4 > Problem 3-82

3-82.

Examine the diagrams below. For each one, write and solve an equation to find . Show all work. Homework Help ✎

  1. graphic a

    Equilateral triangles have three congruent angles

  1. graphic b

    Use the Pythagorean Theorem to solve for .

  1. graphic c


    Because and are alternate interior angles,
    they are congruent. Therefore, .

  1. graphic d