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The angles of a triangle always sum to 180 degrees.

Author:Andrea Siwik

New Resources

  • Reflection = 180° Rotation about a Line
  • Reflection Across 2 Parallel Lines
  • Circle Passing Through 3 Points
  • Pitfalls of Disk/Washer Method
  • အခြေခံ data အခေါ်အဝေါ်များ

Discover Resources

  • Geogebra Project Instructions
  • wheel_cycloid_1
  • Alternate Interior angles
  • Form 4 Chapter 11 - Thm 9, 10 Angle in Alt. Seg.
  • Dilation and Reflection (Degrees)
  • Multiplying Fractions (In Bahasa)

Discover Topics

  • Division
  • Cuboid
  • Equations
  • Geometry
  • Trapezoid
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