Polygons

Mr. Bowen, 2018年12月20日


  • 1. The sum of the angles in a triangle
  • 2. Convex vs. Concave
  • 3. Classifying Polygons
  • 4. Quadrilateral Angle Theorems
  • 5. Triangle Angle Theorems (V2)
  • 6. Hexagon Angle Theorems
  • 7. Copy of Rectangle Template (Scaffolded Investigation)
  • 8. Folding Test: investigating lines of reflection symmetry
  • 9. Transformations
  • 10. Transformation - Translation
  • 11. Hierarchy of Quadrilaterals
  • 12. Types of Triangles
  • 13. Angles 4
  • 14. Angles 5
  • 15. Which 3 Line Segments Make a Triangle?

1.

The sum of the angles in a triangle

Move the vertices to create a triangle of your choosing. Then pull the slider to see why the sum of the angles in a triangle is always 180°.
The sum of the angles in a triangle
– Duane Habecker

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資訊