1. Drill Write your homework in your planner Take out your homework Find all angle measures:

2. Homework

3. Find all missing side lengths and angle measures:

4. Proving Triangles Similar SAS: If an angle of a triangle is congruent to an angle in another triangle and the lengths of the sides including this angle are proportional, then the two triangles are similar.

5. Proving Triangles Similar SSS: If the corresponding sides of two triangles are proportional, then the two triangles are similar.

6. Proving Triangles Similar AA (also AAA): If two angles in one triangle are congruent to two angles in another triangle, then the two triangles are similar.

7. Prove the triangles similar: