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Focus and directrix connections

Author:Dave Van Leeuwen
Topic:Ellipse, Hyperbola, Parabola

New Resources

  • Pitfalls of Disk/Washer Method
  • Prism Drawn in 1-Point Perspective
  • Circle Passing Through 3 Points
  • רישום חופשי
  • Volume by Shells Around y

Discover Resources

  • Trigo Graph
  • triangle-Liftarm-interactive
  • Mosaico
  • #30 on page 88
  • Investigating Slopes of Parallel and Perpendicular Lines

Discover Topics

  • Median Value
  • Boxplot
  • Means
  • Equilateral Triangles
  • LCM and GCD
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