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Lesson 2

1. Lesson 2

1.3. Refresher

Mathematics 20-3 Module 4

Module 4: The Right Kind Of Triangles

 

Refresher

 

If you don’t know the answers in Are You Ready?, or if you require more information, do the following activities to review similar triangles and opposite angles.

 

Similar Triangles

  • Lesson 3 from Module 6 in Mathematics 10-3 is all about similar triangles. The lesson also deals with setting up proportions based on similar triangles.

  • In Exploring Similarity and Congruence you can check your understanding and ability to identify similar triangles. Congruent triangles are also included—this means the triangles are identical.

This play button opens Lesson 3 from Module 6 in Mathematics 10-3.

© Nicolas McComber/shutterstock

 

This play button opens Exploring Similarity and Congruence.

Opposite Angles

  • The Opposite Angles page in the Mathematics Glossary provides a definition of opposite angles, some examples, and a demonstration applet.

This play button opens Opposite Angles.

 

Go back to Are You Ready?, and try the questions again. Contact your teacher if you continue to have difficulty with the questions.