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Author:Yevgeniy Kostrov

New Resources

  • Proof of a Rhombus by Construction and Deduction
  • GeoGebra Notes
  • Geometric linkage
  • Fraction Subtraction
  • Translation in 3D (via x, y, z)

Discover Resources

  • Gambrell
  • Angle-Angle-Angle (AAA) [Triangle Congruence]
  • Construct Congruent Angles
  • Ryan Delea Tesselation
  • Incenter

Discover Topics

  • Mode
  • Difference and Slope
  • Upper and Lower Sum or Riemann Sum
  • Incircle or Inscribed Circle
  • Ellipse
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