CPM Homework Banner

Home > CCG > Chapter 6 > Lesson 6.2.3 > Problem 6-73


Examine the triangles in the diagram at right.

  1. Are the triangles similar? If you decide that they are, then justify your conclusion using a flowchart.

    There are some parallel lines in the diagram.
    Review Math Notes in Lesson 2.1.4 for help identifying the relationships between the angles lettered , , , and below.

  2. Solve for . Show all work.

    When two triangles are similar, the ratios of corresponding sides are equal.
    You could use a proportion.