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#89 Triangle, square, altitude inside

Author:Doug Kuhlmann
Topic:Square

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New Resources

  • Inversión esférica de nudos: el nudo trébol y el nudo ocho
  • Two Triangle Theorem
  • Proving Triangles Similar: Multistep Transformations
  • Position and Velocity Vector
  • Thales' Intercept Theorem

Discover Resources

  • Steiner's Porism
  • Constructing a Perpendicular Bisector
  • Table
  • The Evil Stepbrother
  • Special Segments in Triangles (Natzke)

Discover Topics

  • Differential Equation
  • Equilateral Triangles
  • Orthocenter
  • Optimization Problems
  • Hypothesis Testing
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