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Home > INT2 > Chapter 7 > Lesson 7.2.3 > Problem 7-113


On graph paper, graph if and .  

  1. What is the most specific name for this triangle? Prove your answer is correct using both slope and side length.

  2. What is ? Explain how you found your answer.

    This is an isosceles triangle so the base angles are congruent.

  3. Without using your calculator, use to determine the exact value of .

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