Triangle's Interior Angles
This Triangle's Interior Angles activity & project also includes:
- Answer Key
- Join to access all included materials
Given a pair of parallel lines and a triangle in between, geometers prove that the sum of the interior angles is 180 degrees. This quick quest can be used as a pop quiz or exit ticket for your geometry class.
171 Views 117 Downloads CCSS: Designed
- Meets Common Core State Standards for eighth grade geometry
- Detailed teacher commentary explains the solution
- Activities & Projects
- Graphics & Images
- Handouts & References
- Lab Resources
- Learning Games
- Lesson Plans
- Primary Sources
- Printables & Templates
- Professional Documents
- Study Guides
- Graphic Organizers
- Writing Prompts
- Constructed Response Items
- AP Test Preps
- Lesson Planet Articles
- Interactive Whiteboards
- All Resource Types
- Show All
See similar resources:
Alternate Interior Angles: Lesson
Concepts of alternate interior angles parallel the concepts of corresponding angles. Using a diagram, the presentation defines and identifies alternate interior angles formed by a transversal and two parallel lines. The video in a...
2 mins 9th - 12th Math CCSS: Adaptable
Same Side Interior Angles: Lesson
Supplement your scholars' knowledge of angles involved with parallel lines. Using the properties of alternate interior angles and linear pairs, the presenter shows interior angles located on the same side of a transversal of parallel...
3 mins 9th - 12th Math CCSS: Adaptable
Interior Angles in Convex Polygons: Lesson
How are angles and sides related? Given several regular convex polygons, the video shows how to calculate the sum of their interior angles. The segment in a playlist on geometry shows how to find the measure of one angle if the polygon...
5 mins 7th - 11th Math
Understand the Relationship Between Exterior Angles
Beginning with a review on angles, the lesson describes how exterior angles are related to interior angles. Watch how the rest of the angles can be determined based on one interior and one exterior angle given. The video finishes with...
3 mins 7th - 9th Math CCSS: Designed