Find Angle Measurements Using Vertical Angles

This Find Angle Measurements Using Vertical Angles video also includes:

Take on a different angle with this geometry activity, in this case, the vertical angle. Challenge learners to prove that vertical angles of two intersecting lines are congruent using the property of supplementary angles as modeled in this video. It demonstrates that when two lines intersect, four sets of adjacent supplementary angles are formed. The third video in a series of five on solving for unknown angles using angle properties.

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CCSS: Designed
Classroom Considerations

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  • Students will know how to find angle measurements by using vertical angles
  • A slide presentation of the video lesson is included in the resource

  • Instructors may need to clarify the four sets of supplementary angles formed by intersecting lines
Common Core