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Trousers to Disk

Author:Sam Hartburn
Created for Matt Parker's Why does this balloon have -1 holes? video.

New Resources

  • Proving Triangles Similar: Multistep Transformations
  • Right Triangle Trig Ratios: sin, cos, tan
  • Parabola - Write the Equation - Practice
  • Folding door
  • z`]]

Discover Resources

  • Ex 509X Q.17
  • Bouncing Ball for Geometric Progression
  • Special Segments in Triangles
  • EM 2012 P2 Q10b

Discover Topics

  • Straight Lines
  • Translation
  • Symmetry
  • Numbers
  • Quadratic Functions
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