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Trapezoids

Author:Rebecca Rucker, jroe
Move the blue points around to investigate the properties of a trapezoid.

New Resources

  • Tangent Plane to a Sphere
  • 巧算長方形周界
  • bewijs stelling van Pythagoras
  • רישום חופשי
  • The Coordinate Plane (Cartesian Plane)

Discover Resources

  • Mystic Rose Investigation
  • Interior Angles of Polygons
  • integral
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  • Measure of an Angle in a Semi-Circle
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Discover Topics

  • Distributions
  • Integers
  • Definite Integral
  • Means
  • Orthocenter
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