### Home > INT2 > Chapter 3 > Lesson 3.1.5 > Problem 3-58

3-58.

Examine the diagram at right. If passes through point

*, then answer the questions below.*

Are the triangles similar? If so, make a flowchart justifying your answer.

What do the tick marks on the angles mean? What is the

? How can these help you determine if the triangles are similar?Are the triangles congruent? Explain how you know.

Use the Pythagorean Theorem to calculate the length of