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Upper and Lower Sum

Author:Michael Borcherds, Stephen Jull

New Resources

  • bewijs stelling van Pythagoras
  • MC #2
  • Forming Similar Triangles
  • Linear Approximations
  • Pythagorean Day

Discover Resources

  • Parking 1
  • String Art Circles
  • The Lissajous
  • Central and inscribed angles.
  • Surface-of-Revolution

Discover Topics

  • Matrices
  • Isosceles Triangles
  • Equations
  • Symmetry
  • Fractions
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