Subcategories

  • Exterior and Interior Angles of Polygons, 3-4-5 and Equilateral Triangles

  • Area and Altitude of an Equilateral Triangle, Pythagorean Theorem

  • Another way, Using Similar Triangles and Scaling

  • 30°-60°-90° Triangles

  • 3 - 5 - 120° Triangle, Extending Lines in a Figure

  • Pythagorean Theorem; 3-5-7 Triangle