Module 6: Triangles and Other Polygons

 

Lesson 4

 

Mastering Concepts Answer
  1. Separate the triangles.

     

     

    This illustration shows two triangles, ABC and ADE. Angle A in both triangles is the same measure. Side AB measures 3 + 2 = 5 units. Side AC measures x + 3 units. Side AD measures 2 units. Side AE measures 3 units.

    Since and is a transversal,



  2. Set up a proportion.

     

     

 

Mathematics 10–3 Learn EveryWare © 2010 Alberta Education