S2 Angles in Triangles and Polygons

YWL, 2016年2月1日


  • 1. Exterior Angles of Triangle
  • 2. Angle sum of a irregular polygon
  • 3. Angle Properties of Polygons
  • 4. Exterior angle sum of a irregular polygon amended
  • 5. Tessellation with Regular Polygons

1.

Exterior Angles of Triangle

– YWL

2.

–

3.

–

4.

–

5.

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