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Four Thirteenths Triangle

Author:Kathryn Shafer

New Resources

  • Midpoint Theorem (V2): Integer Solutions
  • Linear Equation Graphs: Thin Slice
  • Congruent Sides & Angles in △s: Exploration
  • Pythagorean Theorem: Extension Exercises
  • Squaring a Rectangle (PST Version)

Discover Resources

  • magnet
  • The "b" effect
  • PDF/CDF Two Random Variables
  • #2 Esmeralda Puente
  • Funbox sizes

Discover Topics

  • Median Line
  • Perimeter
  • Matrices
  • Reflection
  • Cosine
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