# Squares on a Triangle

Students explore the concept of triangles. In this triangle lesson, students determine whether a triangle is acute, right, or obtuse using the Pythagorean theorem. Students derive the law of cosines from the Pythagorean theorem.

4 Views
5 Downloads

Resource Details

#### Start Your Free Trial

Save time and discover engaging curriculum for your classroom. Reviewed and rated by trusted, credentialed teachers.

Try It Free- Collections
- Activities & Projects
- Assessments
- Graphics & Images
- Handouts & References
- Interactives
- Lab Resources
- Learning Games
- Lesson Plans
- Presentations
- Primary Sources
- Printables & Templates
- Professional Documents
- Study Guides
- Units
- Videos
- Websites
- Graphic Organizers
- Worksheets
- Writing Prompts
- Constructed Response Items
- Apps
- AP Test Preps
- Articles
- Lesson Planet Articles
- Audios
- Courses
- eBooks
- Interactive Whiteboards
- Rubrics
- Syllabis
- All Resource Types
- Show All