Geometry applets

timteachesmath, Mar 22, 2014


  • 1. Triangle inequality
  • 2. Geometry problem
  • 3. Sangaku
  • 4. Area of circle
  • 5. Squaring the circle?
  • 6. Trig Transformations
  • 7. Flip it
  • 8. Semiregular tessellation
  • 9. Varignon's Theorem
  • 10. Voronoi diagram of local high schools

1.

Triangle inequality

Vertices [color=#ffd700][i]A[/i][/color] and [color=#ffd700][i]B[/i][/color] can be moved to change the measure of [math]\angle C[/math]; lengths of sides [color=#ff0000][i]a[/i][/color] and [color=#0000ff][i]b[/i][/color] can be changed.
Triangle inequality
[math]\left( |a + b| > c\right) \wedge\left( |a + c| > b \right)\wedge\left( |b + c| > a\right) \therefore \ldots[/math]
– timteachesmath

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