Education Technology

The Law of Sines and Cosines

Activity Overview

These questions involve finding sides of triangles and angle measures using the Law of Sines and the Law of Cosines. Questions are multiple choice, true/false, and short answer. Solutions and explanations are provided.

Before the Activity

Download the attached LearningCheck™ file to students' calculators.

During the Activity

This LearningCheck™ appvar can be sent to your class using TI-Navigator™.

After the Activity

  • Review student results
  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary