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

7-113.

On graph paper, graph and

*. .*

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

What is

? Explain how you found your answer.This is an isosceles triangle so the base angles are congruent.

Without using your calculator, use

to determine the exact value of .

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