8.6 The student will verify by measuring and describe the relationships among vertical angles, supplementary angles, and complementary angles and will measure and draw angles of less than 360°.

Explore These Nine Pages

Animation

Practice PDFs

Other Web Sites

  • StudyZone Materials on Angles
  • Shodor This lesson is designed to introduce students to vertical angles, adjacent angles, alternate interior angles and alternate exterior angles.
  • ExploreLearning Teachers have to assign the Investigating Angle Theorems-Activity A to their classes. Students should read the Exploration Guide. An online assessment is provided.
  • Larson´s Software Students need to be enrolled by their teachers. Click on the Geometry in the Plane, then click on Angles. Do the See It, Try It, and Zap It.

Lesson 3-1: Angle Measures


∠ADC and ∠BDC are a linear pair of angles.

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Created with GeoGebra by Barbara Perez, 11/12/06