### 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 .

Click the link at right for the full version of the eTool: *INT2 7-113 HW eTool*