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Bridge pic.

Author:Donald Powers
Bridge I worked on, in NYC 1962 to 64. I'm getting old. Took up Math to keep my mind sharp.

New Resources

  • General Polar Equation of Conics with Rotation (1)
  • AI for Math Teachers (prompt examples)
  • General Polar Equation of Conics with Rotation (2)
  • Circumference of a unit circle
  • Parallel Lines & Related Angles: Quick Reminders

Discover Resources

  • Segment Length of Chord and tangent in Circle
  • rational grace
  • Altitude 2
  • Trigonometric Ratios Discovery
  • Symmetry in random movables

Discover Topics

  • Secant Line or Secant
  • Congruence
  • Constructions
  • Continuity
  • Straight Lines
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